Archives West Finding Aid

1 photographic prints : Installation of pumping unit P-2 discharge pipe, showing reinforcing steel being placed in the concrete form and in the center by the concrete form is the square opening of the blockout which extends under the steel matt into the tunnel. This blockout will be used to run Pumpcrete pipes for pouring concrete around the discharge pipe in the tunnel. Foreground, on top of the steel matt, steel is being placed to form blockout for the elevator, also a ladder is shown on the west wall. In the background, at the bottom of the downstream wall are the intake pipes for pumping units P-2, P-3, and P-4. Photographer: H. W. Fuller. Photo ID: 19196-3. Residency No. 3 Spec #2329.

1 photographic prints : Photo ID: 3845-2.

1 photographic prints : Installation of pumping unit P-2 discharge pipe, showing the concrete form around the outlet tunnel, placement of the reinforcing steel and in the center close to the concrete form is a square opening for the blockout which is on top of the discharge pipe under the steel matt. This blockout extends upward on an angle from the end of the steel matt to the top of tunnel, part of it can be seen in the center background, it continues on into the tunnel and will be used to run Pumpcrete pipes for the pouring of concrete around the discharge pipe. The vertical steel bars on the steel matt (right) are for the elevator blockout. Discharge pipes for pumping units P-1 and P-3 have been placed in position and are shown at the right and left P-2 installation. Photographer: H.W. Fuller. Photo ID: 19195-3.

1 photographic prints : Specs #2329, Contract I2r 18156, Contractor, Morrison-Knudsen Company Inc. and Peter Kiewit Son's Co. View looking north showing progress made on pumping plant include office wing, parking area, gantry crane, and storage building P-9 through P-14 inclusive. Photo ID: 22949-3.

1 photographic prints : Contract 12-r-18156. Contractors-Morrison Knudsen Company Inc. and Peter Kiewitt Sons' - Grand Coulee Dam, Columbia Basin Project. Photographer: F.B. Pomeroy.

1 photographic prints : Photo ID: 3780-2.

1 photographic prints : Photographer: F.B. Pomeroy. Photo ID: 4024-2.

1 photographic prints : Just beyond the tunnel mouths is the pumping plant. The upper combined bends for discharge pipes Number 1 and 2 are in position at the bottom of the picture. Photographer: J.D. Roderick. Photo ID: 19452-3.

1 photographic prints : Photo ID: 3009-2.

1 photographic prints : Photo ID: 3538-2.

1 photographic prints : Photo ID: 2853-2.

1 photographic prints : Specifications 2329. Contractor: Morrison-Knudsen Company, Inc. and Peter Kiewit Sons' Company. Subcontractor: Consolidated Western Steel Corporation. The two top 20-foot lengths of pipe are seen to be "fitted-up" and ready for welding. The two men within the end of the pipe are on a wheel mounted welding jumbo used to make welds on the inside pipe seams. Forming and scaffolds to the right are for the anchor block of the P-3 pipe. Photographer: H.W. Fuller. Photo ID: 20477-3.

1 photographic prints : Specifications 2329. Morrison-Knudsen Company, Inc., and Peter Kiewit Sons' Company. Pipes P-1 and P-2 have been encased with concrete, with the steel pipe ending at this point as can be seen in lines P-3 and P-4 around which reinforcing steel is being placed. The pipes are to be extended from this point with round reinforced concrete tubes as can be seen in the foreground which P-1 and P-2 are formed and the placing of reinforcing steel started. Note the two siphon breakers installed on P-1 and P-2 crest bends. Photographer: H.W. Fuller. Photo ID: 20184-3.

1 photographic prints : Specifications 2329. Morrison-Knudsen Co., Inc. and Peter Kiewit Sons' Company. On the right can be seen the completed invert of P-1 and P-2 conduits with the sectional forms of the transition arch being set. On the left is the P-9 transition invert form being made ready to pour. The crest bend sections of P-1 and P-2 discharge pipes have been secured into final position, braced to retain round, and the inner girdle of reinforcing steel is being placed. Photographer: H.W. Fuller. Photo ID: 19540-3.

1 photographic prints : The exposed portions of the pumping plant discharge pipes gleam brightly in the sun with their coat of aluminum paint. Symbolic of the entire Columbia Basin project - this picture shows Coulee Dam holding back the waters of the Columbia River forming Lake Roosevelts. The water there held, is now awaiting only the pump installations to start the water flowing through these pipes and to the thirsty sores of the project 60 to 150 miles south of the dam. Specifications 2329, Contract I2r-18156, Morrison-Knudsen Company, Inc. and Peter Kiewit Sons' Company, Contractor. Photographer: Pomeroy. Photo ID: 6856-2.

1 photographic prints : Specifications 2329. Contractor: Morrison-Knudsen Company, Inc., and Peter Kiewit Sons' Co. Photographer: F.B. Pomeroy. Photo ID: 20492-3.

1 photographic prints : Photographer: F.B. Pomeroy. Photo ID: 6719-2.

1 photographic prints : The structure here has an inside diameter of 23-feet, 3-inches and when in full operation will carry enough water to irrigate half a million acres. Columbia Basin Project, Irrigation Divison, Bacon Siphon and Bacon Tunnel. Photographer: H.E. Foss, Photo ID: 3732-4.

1 photographic prints : Specifications 2329. Contractor: Morrison-Knudsen Company, Inc. and Peter Kiewit Sons' Company. The pumping plant is being constructed behind the 600-foot long wing dam extending to the left from near the west abutment end of Grand Coulee Dam. The world's largest pumps will be installed in the pumping plant at a level 120 feet below the roadway elevation. Each pump will lift water 280 feet from Roosevelt Lake and will discharge through a steel pipe 12 feet in diameter and about 680 feet in length. Twelve tunnels, from 487 feet to 530 feet in length, will carry the pipes under the highway and up through the granite canyon wall. Upon emerging from the tunnels, as do the three pipes on the right, they will continue on concrete piers for about 260 feet and discharge into the headworks for the feeder canal. Excavation of the feeder canal has been completed to the cut-and-cover section and is ready for the concrete lining. Photographer: F.B. Pomeroy. Photo ID: 20315-3.

1 photographic prints : Feeder canal shown back to headworks. Photographer: F.B. Pomeroy. Photo ID: 5309-2.

1 photographic prints : Highest crack in slide area is visible. Feeder canal outline can be seen back to headworks. A view of the area above the feeder canal from station 77 back to the headworks. Photographer: F.B. Pomeroy. Photo ID: 5310-2.

1 photographic prints : The surface runoff chutes on the right slope of the canal in the foreground are at stations 45-05 and 48-60, respectively. The slide cracks are visible at the left center. A good view of the right side of upper end of the Grand Coulee and area above feeder canal slide area. Photographer: F.B. Pomeroy. Photo ID: 5307-2.

1 photographic prints : Photographer: J.D. Roderick. Photo ID: 19446-3.

1 photographic prints : Photographer: Robinson. Photo ID: 9157-3.

1 photographic prints : view of Tract No. 3. Taken from a point approximatley 300 feet north and 300 feet east of the southwest corner of the NW (1/4) SE (1/4) of Sec. 26, T. 26N., R. 28E., W. M., looking north 8 degrees east. U.S. versus Howard Adams, et al. Photographer: J.D. Roderick. Photo ID: 19491-3.

1 photographic prints : Photograph taken from west wall of the Grand Coulee (location at Spring Triangulation monument in Section 3, R. 26E, T 25N) looking northwest toward Steamboat Rock. The picture shows the water condition in the playa lake along the south central part of the Upper Grand Coulee. Photographer: H. W. Fuller. Photo ID: 4364-2.

1 photographic prints : Photo ID: 98-2.

1 photographic prints : Before designs for the structure could be completed contract for the removal of two million yards of over-burden was let to David H. Ryan. A slide along the left bank increased the amount of material to be handled to three million yards. Grand Coulee Dam, Columbia Basin Project, Washington. Photo ID: 1-1.

1 photographic prints : Photo ID: 44-1.

1 photographic prints : Photographer: F. B. Pomeroy. Photo ID: 1266-3.

1 photographic prints : Photographer: F. B. Pomeroy. Photo ID: 1265-3.

1 photographic prints : Photographer: F. B. Pomeroy. Photo ID: E231-3.

1 photographic prints : Photo ID: E676-3.

1 photographic prints : Photo ID: E699-3.

1 photographic prints : Photo ID: 58-1.

1 photographic prints : Photo ID: 10-2.

1 photographic prints : Photo ID: 32-2.

1 photographic prints : Photo ID: E20A-2.

1 photographic prints : Panorama of high and low blocks at the present stage of construction in the spillway section of the dam. Reinforcing steel. Photographer: H. C. Robinson. Photo ID: 240-1.

1 photographic prints : Photo ID: 78-2.

1 photographic prints : Photo ID: 4602-3.

1 photographic prints : Photo ID: 1134-2.

1 photographic prints : Photo ID: 1135-2.

1 photographic prints : Photo ID: 1366-2.

1 photographic prints : Photo ID: 1107-3.

1 photographic prints : Photographer: F. B. Pomeroy. Description written by E. S. Brown. Photo ID: 1424-2 (C.B. 1820).

1 photographic prints : Photo ID: 2854-2 (C.B. 2889).

1 photographic prints : Photographer: H. C. Robinson. Description on back written by E. S. Brown. Photo ID: 1834, 755-1, or C.B. 4608.

1 photographic prints : Exposed bedrock in the center section looking west toward block 40. Dorrick equipment mounted on the steel sell on the left and another which is to be mounted on the () located on the rock, are to be used for cleanup of rock and placing concrete. Description on back written by K. S. Brown. Photo ID: 1809 or 768-1.

1 photographic prints : Columbia Basin Project, Irrigation Division, East Low Canal. Spec. #1422 - Utah Construction Co. and Winston Bros. Co. Contractor. Exposed rock after completion of drilling operations in center background. Photographer: Art W. Bauman. Photo ID: 603-4.

1 photographic prints : Photo ID: 13068-3.

1 photographic prints : Photo ID: 13066-3 or C.B. 8145.

1 photographic prints : The discs are laying upside down to indicate worn spots in centers where the jack screws had made contact. The depth of these holes varied from 0.005" to 0.017". Grand Coulee Power Plant - Columbia Basin Project. Photographer: H. W. Fuller. Photo ID: 13469-3.

1 photographic prints : Photographer: H. W. Fuller. Photo ID: 16143-3.

1 photographic prints : Shaft was damaged when packing gland burned out. Photo ID: 12125-3 (C.B. 7776).

1 photographic prints : Top of piston is in lathe chuck - leather is removed from bottom of piston. Unit L-1, Grand Coulee Power Plant. Photo ID: 14653-3. Photographer: F.B. Pomeroy.

1 photographic prints : Photograph taken after failure on June 30, 1948 after 5,353 hours of service. Grand Coulee Power Plant, Columbia Basin Project, Coulee Dam, Washington. Photo ID: 17529-3. Photographer: F. B. Pomeroy.

1 photographic prints : Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications 2411, Utah Construction Company and Winston Bros. Co., Contractor. The bit on the left is new. The bit on the right has drilled approximately 1,000 linear feet of basalt. The absence of one cutting edge does not lower the drilling rate appreciably. Mr. L. Moore, the I.R. representative said the bit would work better if the opposite insert was knocked out. Photo ID: 2664-4. Photographer: H. E. Foss.

1 photographic prints : It is part 19, drawing 222-D-2106, Specifications 744. Photo ID: 4560-2. Photographer: F. B. Pomeroy.

1 photographic prints : Pasco Pumping Plant after operation during a part of the 1948 irrigation season. Pump is Worthington vertical shaft volute type, 600 R.P.M. with discharge of 63 cubic feet per second against TDH of 167 feet. Photo ID: 17934-3. Photographer: A. F. Swanson.

1 photographic prints : Photo ID: 14252-3. Photographer: Art Bauman.

1 photographic prints : This view shows the condition of the paint of the scroll case and guide vanes of the speed ring. Photo ID: 10386-3.

1 photographic prints : This view of the inner surface of the runner vanes shows where the paint has been eroded to bright metal along the trailing edge of the vanes. The bright surfaces had a sand blasted appearance as evidence of cavitation. The light mottling of these areas shown on the photograph is not pitting, but is rust which quickly formed on the vanes. Photo ID: 10387-3. Photographer: F. B. Pomeroy.

1 photographic prints : This view is representative of the painted surface on the outer face of the wicket gates and shows the alligatoring of the paint along the trailing edge. Photo ID: 10385-3. Photographer: F. B. Pomeroy.

1 photographic prints : Stack of material was dislodged and scattered through car - note broken sheets. Asbestos board received in car on May 17, 1949. Shipment under Invitation 3177 from the Rocky Mountain Supply Co., Inc., Denver, Colorado. See photo #18671-3. Photo ID: 18669-3. Photographer: J. D. Roderick.

1 photographic prints : Columbia Basin Project, Irrigation Division, Concrete Laboratory, Ephrata, Washington. The two-inch square butt-welded specimens, machined to 1.5-inch diameter before testing, due to limited capacity of tensile machine, show breaks both inside weld and outside weld. Note slag packet in specimens at left. Specimens on right broke outside weld and reduced end area was caused by necking of bar at break. Photo ID: 2890-4. Photographer: H. E. Foss.

1 photographic prints : Test specimens have been turned down to 1.5-inch diameter in vicinity of weld before testing, due to limited capacity of tensile machine. Two specimens shown failed in weld while third broke outside weld. Photo ID: 2889-4. Photographer: H. E. Foss.

1 photographic prints : Boring arm making second cut. Photo ID: 10844-3. Photographer: H. W. Fuller.

1 photographic prints : Illegible writing on back of photo. Photo ID: 5537-3 and C.B. 4024.

1 photographic prints : Photo ID: 5736-3. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 5577-3 or C.B. 4162. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 9838-3 or C.B. 6347. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 17703-3 or C.B. 9723. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7000-3. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 7087-3. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 4060-2 or C.B. 5847. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 4312-2 or C.B. 6473. Photographer: F. B. Pomeroy.

1 photographic prints : Feeder Canal, Specification 2586. J.A. Terteling and Sons Inc., Contractors. The Sub-Contractor, the Steel Construction Co., who have the contract with J.A. Terteling and Sons for furnishing and installing reinforcing steel, is fabricating concrete support blocks for the reinforcing steel. In the left center of the photo are forms for 6" blocks and right center are forms for 2.75-inch blocks. The contractor will fill these forms with a mix of 2.5 of sand to 1 cement, then, after this has partially set, the blocks are cut up into desired sizes. Photo ID: 19776-3 or C.B. 10559. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 4483-2. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 9627-3 or C.B. 6211. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 3781-2 or C.B. 4336. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 3976-2. Photographer: F. B. Pomeroy.

1 photographic prints : Residency No. 3, Specifications 2329, Unit R-3. Contractor: Morrison-Knudsen Company, Inc. and Peter Kiewit Sons' Company. View looking down on elevation 977.0, barrel pour No. 9 completed to elevation 977.0 and carpenters laying plywood for ceiling of pour No. 10, elevation 978.87 slab. Work performed after the carpenters returned to work June 13, 1949.

1 photographic prints : The two 14,000 horsepower station-service turbines at the left power house are embedded in concrete to elevation 951, the generator floor level. Photo ID: 6705-3 or C.B. 4622. Photographer: F. B. Pomeroy.

1 photographic prints : This oil is floated for at least six hours before being removed.

1 photographic prints : Photo ID: 2748-2 or C.B. 2767.

1 photographic prints : Photo ID: 9300-3. Photographer: Foster.

1 photographic prints : Photo ID: 3067-2 or C.B. 3229.

1 photographic prints : Photo ID: 3066-2 or C.B. 3231.

1 photographic prints : Photo ID: 3065-2 or C.B. 3230.

1 photographic prints : Photo ID: 6677-3 or C.B. 4634.

1 photographic prints : Photo ID: 6683-3. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 6682-3 or C.B. 4636.

1 photographic prints : Photo ID: 2936-2.

1 photographic prints : View shows cylinders, bars, and posts from test batches 24 to 47 setting in original alkali pond prior to being permanently transferred to a second pond because of leakage. Depth of water in picture is about 3 inches. Marks showing normal 3-foot depth can be seen on the posts below the numbers. White areas on posts are alkali deposits. Behind platform are fresh water specimens from the second pond stored on the ground during the interchange of specimens. Photo ID: 6378-2. Photographer: J. D. Roderick.

1 photographic prints : Photo ID: 3717-2. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7084-3. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 3799. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 3286-2.

1 photographic prints : Photo ID: 4081-2. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 4082-2. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 4061-2. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 4023-2. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 3733-2. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 2386-2 or C.B.2403.

1 photographic prints : Photo ID: 2346-2 or C.B. 2407.

1 photographic prints : The pore pressures in the dam embankment and foundation are transmitted through the water-filled tubes and recorded on the Bourdon tube pressure gages at the right. The solenoid operated valve at the top transmits pulsating waves through the system to assist in the removal of air in the tubes. Two TK Westinghouse relays at the bottom are electrically connected in series with the solenoid valve. Any cycle desired for the operation of the solenoid valve can be obtained by adjustments of the timing devices in the relays. The air trap at the upper left supplies water and removes air from the system. Specifications 2586, Contract I2r-18481, J.A. Terteling and Sons, Inc., Contractor.

1 photographic prints : Photo ID: 2384-2 or C.B. 2405.

1 photographic prints : Photo ID: 2385-2 or C.B. 2406.

1 photographic prints : Photo ID: 3309-2.

1 photographic prints : The 7/8" diameter hole in the foreground appears to have been an anchor bolt hole. Rectangular dimensions are 17" x 11" while wedge side dimensions are 17" x 10" x 3". Photo ID: 4784-2. Photographer: H. W. Fuller.

1 photographic prints : Photo ID: 4071-2. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 3068-2.

1 photographic prints : Photo ID: 12128-3.

1 photographic prints : Photo ID: 10867-3. Photographer: H. W. Fuller.

1 photographic prints : Photo ID: 9012-3 or C.B. 5889. Photographer H. C. Robinson.

1 photographic prints : This unit consists of seven radial and one straight section of welded plate steel riveted with double butt straps. One half of combined unit is lifted by an overhead crane and moved into position. Before being poured in concrete, the scroll case is given a hydraulic test of 310 pounds to the square inch. This scroll case, designed for use at Shasta Dam in northern California, is temporarily installed at Grand Coulee Dam by order of the War Production Board, as construction at Shasta Dam had not progressed sufficiently to make immediate use of the turbine at that point. With the waters of the mighty Columbia River as a driving force, this turbine now installed is spinning a giant generator at a rate of 138.5 revolutions per minute, producing more than 75,000 kilowatts of electrical energy. This caption sent with picture requested by Dick Karnes to the Allis Chalmers office. Photo ID: 10383-3 or C.B. 6676.

1 photographic prints : Photo ID: 11029-3 or C.B. 7053. Photographer: H. W. Fuller.

1 photographic prints : Photo ID: 15128-3 or C.B. 8795. Photographer: F. B. Pomeroy.

1 photographic prints : From left to right: Walt Scott and Robert Bush. Photo ID: 23051-3. Photographer: H. W. Fuller.

1 photographic prints : Photo ID: 11244-3 or C.B. 7222. Photographer: H. W. Fuller.

1 photographic prints : Photo ID: 11243-3 or C.B. 7219. Photographer: H. W. Fuller.

1 photographic prints : The wheel is seen as it is entering the wall at altitude 979. The weight of the runner with its 41.5-inch shaft is about 85 tons. Photo ID: 10737-3 or C.B. 6885. Photographer: F. B. Pomeroy.

1 photographic prints : Bolts and nuts weighing 193 pounds, couple the sections of the shafts for the two 75,000 kilowatt Shasta generators being installed in the Grand Coulee Dam left powerhouse. The bolts are five inches in diameter and 25 inches long. Each section of the two part shaft is provided with a flange, in which 16 holes have been bored. The bolts will be inserted in these openings, and the nuts, weighing 37 pounds each, attached. To tighten these, a huge steel wrench, three feet long, turned by the blows from a heavy sledge-hammer, will be used. Before being seated, the bolts will be cooled to 60 below zero, and shrunk, in a compartment filled with dry ice. While in their contracted form, they will be inserted in the openings in the flanges of the shaft. When their temperature again rises and matches that of the surrounding atmosphere, the fit will be as near perfect as engineers are able to make it. Photo ID; 10940-3 or C.B. 7005. Photographer: H. W. Fuller.

1 photographic prints : The two faces are being carefully cleaned from dust or grit and inspected to insure perfect union. Photo ID: 8590-3. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 8589-3. Photographer: F. B. Pomeroy.

1 photographic prints : Strator and bracket assembly for main unit L-6, weighing 335 tons, being lifted into its permanent position in bay 6. Two travelling cranes, with a lifting capacity of 375 tons each, are shown carrying the unit from its temporary point of assembly, between main units L-2 and L-3. Photo ID: 11233-3 or C.B. 7216. Photographer: H. W. Fuller.

1 photographic prints : Photo ID: 10400-3.

1 photographic prints : Photo ID: 10580-3 or C.B. 6781. Photographer: Wible H. Foster.

1 photographic prints : It is partially covered with canvas to keep it warm until it is in place. Photo ID: 15933-3. Photographer: F. B. Pomeroy.

1 photographic prints : Columbia Basin Project, Grand Coulee Dam - Rotor for main generator unit L-6 in the west powerhouse at Grand Coulee Dam being carried to final position by two overhead travelling cranes using an equalizing beam. The rotor, 31 feet in diameter, weighing 535 tons, rotates at a speed of 120 revolutions per minute within stator, and develops 108,000 kilowatts of electrical energy. Photo ID: 11272-3 or C.B. 7253. Photographer: H. W. Fuller.

1 photographic prints : Photo ID: 9749-3 or C.B. 6317. Photographer F. B. Pomeroy.

1 photographic prints : Photo ID: 8758-3. Photographer: F. B. Pomeroy.

1 photographic prints : In lowering this 450-ton wheel into place, the operators of the two powerhouse cranes, that jointly supported the load, were guided by workmen, stationed around the rim, who inserted sticks between the stationary and moving parts to measure the clearance and prevent contact. When the unit is in service, the outer rim of this rotor, which is 7 feet high, spins about 125 miles per hour. Attached to the rim are 52 magnets, weighing 3300 pounds each. Photo ID: 10872-3 or C.B. 6927. Photographer: H. W. Fuller.

1 photographic prints : Photo ID: 11099-3 or C.B. 7098. Photographer: H. W. Fuller.

1 photographic prints : Photo ID: 7614-3 or C.B. 5110. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7613-3 or C.B. 5109. Photographer: F. B. Pomeroy.

1 photographic prints : The heater is on the left. In the center, a man is bouncing a heated rivet to knock off the oxidized scale and on the right are the riveters waiting for the rivet. Photo ID: 10446-3 or C.B. 6719. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 12520-3. Photographer: H. W. Fuller.

1 photographic prints : An 84-inch needle valve being placed on erection base in bay R-5 of the right powerhouse at Grand Coulee Dam. Right of these needle valves, transferred from Boulder Dam, are being temporarily installed in the turbine pits by use of steel reducers (elbows) joining the valves with the 18-foot in diameter penstock tubes. A portion of the stream flow of the Columbia River is to be passed through these needle valves during the low water season. The flow through the needle valves, in addition to that portion of the river flow passing through the turbines in the left powerhouse, will make unnecessary the use of the spillway. This program of diversion will provide a minimum of turbulence in the water at the foot of the spillway section, facilitating future repair work to the concrete bucket or trough at the base of the spillway. At some future date, the needle valves will be replaced by 150,000 horsepower hydro-turbines, designed to propel 108,000 kilowatt hydroelectric generators. Photo ID: 12517-3 or C.B. 8027. Photographer: H. W. Fuller.

1 photographic prints : 41-degree, cast steel elbow, installed between penstock reducer section and needle valve in bay R-9 of the right powerhouse at Grand Coulee Dam. Eight needle valves, each having an 84-inch discharge, are being installed in the right powerhouse. The portion of the Columbia River stream flow not used through the turbines in the left powerhouse, is to be passed through the needle valves installed in the right powerhouse during the lower water season. This plan will eliminate the use of the spillway during certain months of the year, assuring a minimum of turbulence in the water downstream from the dam, to facilitate necessary repairs to the concrete spillway bucket. Photo ID: 12633-3 or C.B. 8052. Photographer: H. W. Fuller.

1 photographic prints : Photo ID: 16135 or C.B. 9084. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 16134-3 or C.B. 9083. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 3848-2 or C.B. 4456. Photographer: H. C. Robinson.

1 photographic prints : Specifications No. 2808, River Channel Improvements. Contractor: Morrison-Knudsen Company, Inc. Grand Coulee Dam, Columbia Basin Project, Washington. Photo ID: 22363-3. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7739-3. Photographer: F. B. Pomeroy.

1 photographic prints : This machine was built by the Star Manufacturing Company of Tacoma, Washington and is installed on tracks reaching across the top of the dam. Photo ID: 1011803. Photographer: H. W. Fuller.

1 photographic prints : These gears are connected to wheels resting on track that extends entirely across dam. Photo ID: 10119-3. Photographer: H. W. Fuller.

1 photographic prints : Columbia Basin Project, Grand Coulee Dam. Photo ID: 4098-2. Photographer: F. B. Pomeroy.

1 photographic prints : Columbia Basin Project, Irrigation Division. T.E. Connolly Company, Inc., contractor. Location approximately 5 miles south of Coulee City, Washington. Photo ID: 204-4 or C.B. 8666. Photographer: Art Bauman.

1 photographic prints : Columbia Basin Project, Irrigation Division, Adrian Gravel Plant, Specifications #1475.

1 photographic prints : Photo ID: 4143-2.

1 photographic prints : The plastic hose gives visible proof that the AEA being dispensed in each batch of concrete actually feeds into the mixer. The contractor built the gravity type dispenser shown in photo. Columbia Basin Project, Irrigation Division, Main Canal, Western Contracting Corp., contractor - Specifications No. 2324. Photo ID: 2854-4. Photographer: H. E. Foss.

1 photographic prints : Rings are fabricated from quarter sgments, with one joint being left open to allow flexibility in mounting. Square head nuts are welded to the pipe as temporary lugs to keep the ring in alignment. "The bull" presses the ring into firm contact with the pipe and it is tack welded with a 4-inch fillet weld. The pipe is revolved appxoimately one foot by the positioning rollers, and the procedure is repeated until the ring is entirely tack welded. The pipe will then be rolled down the line to an automatic welder set-up (picture 18532-3) where a full fillet weld will be placed on both sides of the stiffener rings to complete the pipe for placing in the tunnel. Specifications No. 2329. Picture series 18532-3 through 18537-3. Morrison-Knudsen Co., Inc., and Peter Kiewit Sons' Col., subcontractor, Consolidated Western Steel Corp., Electric City Yard. Photo ID: 18535-3. Photographer: H. W. Fuller.

1 photographic prints : The unit is designed to handle lubricating, governor, and insulating oils. Operating on insulating oil at about 90 degrees, the centrifuge is guaranteed to reduce moisture from 1/10 per cent to 1/1000 per cent in 1200 gallons of oil per hour, and to raise its diaelectric strength to at least 30,000 volts. The filter, designed to remove carbon and fine particles that pass the centrifuge, takes standard 12-inch filter papers. Photo ID: 4117-2 or C.B. 6002. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 4118-2 or C.B. 6003. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7655-3. Photographer: Robinson.

1 photographic prints : Photo ID: 11042-3. Photographer: D. W. Fuller.

1 photographic prints : Dr. Carder is simulating the adjustment of position of galvanometers on the Benioff film recorder. In the right foreground is the 10-cycle tuning fork amplifier, and in the back is a horizontal and a vertical seismometer. Photo ID: 10638-3 or C.B. 6791. Photographer: F. B. Pomeroy.

1 photographic prints : Tanks are provided for new and used oils of both kinds; and, by means of oil-headers extending the length of the power plant, oil can be pumped to or from any power unit. Oil pumping equipment, with air compressors and banks of carbon dioxide tanks, occupy a room adjoining the oil tank vault. Photo ID: 4113-2. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7606-3. Photographer: F. B. Pomeroy.

1 photographic prints : Transfer of 115-ton coaster gate from east forebay, Unit R-9 to west forebay, Unit L-7. This transfer (made on war surplus steel pontoon barge) will expedite starting of unit L-7 by approximately three weeks. Wheel stops clamped to rails will secure barge in final position ready for transfer to west abutment. Bridle hitch with sheave block for four part 3/4" draw line to steam winch on work barge is shown at left center. Transverse timbers on barge deck supporting 36" x 64'-0" long 230 "I" beams, with 90 rails attached, distribute the load to 107' x 43' pontoon barge. Special gate stem and hitch plates to 150-ton deck crane are shown at right center. 1 1/4" snub cables with turnbuckles for limiting barge submergence are to be seen along face of dam at left of picture. Snub cables were rigged from gentry girders on deck crane to hitch plates welded to 36-inch "I" beams. Work barge, not seen in picture, is lashed to front of pontoon barge. Photo ID: 16358-3 or C.B. 9962. Photographer: H. W. Fuller.

1 photographic prints : One steel casting for a giant turbine at the Grand Coulee Dam makes a full carload. Water from the Columbia River, falling through this 16-foot runner at the rate of 141 tons per second, will drive the biggest electric generator ever built, to produce electricity for the manufacture of aluminum, vital need of the defense program. From the U.S. Bureau of Reclamation. Photo ID: 8157-3 or C.B. 5399. Photographer: F. B. Pomeroy.

1 photographic prints : Note size of tires - man in picture is 6 feet tall. Despite the size and weight, this piece of equipment has excellent floatation and traction. Columbia Basin Project, Irrigation Division, Potholes Dam. Photo ID: 666-4 or C.B. 9117. Photographer: A. W. Bauman.

1 photographic prints : Approximately 750,000 tons of granite will be used to loop the banks of the Columbia River below Grand Coulee Dam, protecting the shores against the 10 million horsepower in energy which the waves spent after their 350-foot fall over the dam. Photo ID: 22359-3 or C.B. 11321. Photographer: F. B. Pomeroy (Reclamation photographer).

1 photographic prints : Although this truck alone weighs almost 60,000 pounds, it's not uncommon for one or two huge granite armor rocks to lift the front wheels clear off the ground. A dozer, blade visible at left, solved the truck driver's dilema in this problem. The trucks can carry 20 to 30 tons, and sometimes one rock is an entire load. Approximately a year and one-half will be required to line the banks for close to one mile downstream from the Grand Coulee Dam. Photo ID: 22358-3 or C.B. 11322. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 3575-2. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 8696-3. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 10630-3 or C.B. 6762. Photographer: F. B. Pomeroy.

1 photographic prints : Due to lack of proper transportation equipment, difficulty was encountered in taking the R-1 rotor shaft across the spillway roadway of the dam. In order to distribute the load safely, it was necessary for this truck boom to hook onto the trailer and take some of the weight off the wheels of the trailer (see photos 17601 and 17602-3). Photo ID: 17600-3 or C.B. 9665. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 17593-3 or C.B. 9674. Photographer: F. B. Pomeroy.

1 photographic prints : The dimensions of the spider are: 25'-7" (length), 16'-4" (width), 6'-1" (depth). Photo ID: 17611-3 or C.B. 9660. Photographer: F. B. Pomeroy.

1 photographic prints : Mr. and Mrs. George Green of Lambertsville, New Jersey. They traveled nearly 6,000 miles in their 1904 Oldsmobile. Photo ID: 14360-3 or C.B. 8423. Photographer: F. B. Pomeroy.

1 photographic prints : From upper left proceeding counter-clockwise: sloping, tamping, paving, West Canal, spraying, paving, East Low Canal, trimming, West Canal. Columbia Basin Project, Irrigation Division. Photo ID: 2419-4. Photos and montage by H. E. Foss.

1 photographic prints : Columbia Basin Project, Irrigation Division, Third Section West Canal, Specifications 2844, Schedule 3. Minnin and Shilling - Contractor. Photo ID: 3619-4. Photographer: H. E. Foss.

1 photographic prints : The buildings in the background are a portion of homes and businesses in the incorporated city limits of Quincy, Washington. Marshall, Haas & Royce and Raas & Rothschild - contractor. Photo ID: 3621-4 or C.B. 11068. Photographer: H. E. Foss.

1 photographic prints : View shows the 1" square bar welded near the bottom of the 4" x 4" angle iron staub for the support of the outer curtain of re-steel. In upper center, the contractor's men are preparing the invert for the staubs and the protective mortar slab. Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications No. 2411, Utah Construction Company and Winston Bros. Co., Contractor. Photo ID: 3205-4 or C.B. 10763. Photographer: H. E. Foss.

1 photographic prints : Monighan dragline building up right bank with borrowed material prior to placing rock on face of bank from canal excavation. Columbia Basin Project, Irrigation Division I, Main Canal, Specifications 1236, J. A. Terteling & Sons, Inc., Contractors. Photo ID: 16971-3 or C.B. 9552. Photographer: F. B. Pomeroy.

1 photographic prints : Water in the canal came from snow melt and sub-surface infiltration. A small patch of snow appears above the truck at the right. The sub-surface flow had to be pumped out of the canal. Work is being performed by Morrison-Knudsen, Inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specifications 2541. Photo ID: 3578-4. Photographer: H. E. Foss.

1 photographic prints : Work is being performed by Guy F. Atkinson Co. under specifications. Columbia Basin Project, Irrigation Division, 1st Section, Potholes East Canal, Specifications 2787. Photo ID: 3977-4. Photographer: H. E. Foss.

1 photographic prints : Work is being performed by Guy F. Atkinson Co. under specifications. Columbia Basin Project, Irrigation Division, 1st Section Potholes East Canal, Specifications 2787. Photo ID: 3973-4. Photographer: H. E. Foss.

1 photographic prints : The picture was taken looking north from the highway 8 miles east of Quincy, Washington. Columbia Basin Project, Irrigation Division, Specifications No. 2648, Winchester Wasteway, Earthwork and Structures Station (1-28.67?) to Station (964-00?). Contractor: J. A. Terteling and Sons, Inc. Photo ID: 3286-4 or C.B. 10801. Photographer: Harold E. Foss.

1 photographic prints : Columbia Basin Project, Irrigation Division, Third Section, West Canal, Specifications 2844, Schedules No. 1 and 2. Marshall, Haas, and Royce, Haas and Rothschild - Contractor. Photo ID: 4578-4. Photographer: H. E. Foss.

1 photographic prints : All material hauled from borrow areas by WD-10 scrapers and rolled with sheepsfoot roller. Work was performed by Guy F. Atkinson Co. under Specifications. Columbia Basin Project, Irrigation Division, 1st Section Potholes East Canal, Specifications 2787. Photo ID: 3974-4. Photographer: H. E. Foss.

1 photographic prints : Photograph taken especially for Popular Mechanics Magazine. Photo ID: 17757-3. Photographer: F. B. Pomeroy.

1 photographic prints : This view shows the back of the machine. Work is being performed by Morrison-Knudsen, Inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specifications 2541. Photo ID: 3579-4. Photographer: H. E. Foss.

1 photographic prints : Trimmer built by Guntert & Zimmerman for the contractor. Lining machine is setting behind the trimmer. Roller in the foreground is a Hyster grid roller used to roll the blanket material on the slopes. Work is being performed by Morrison-Knudsen, Inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specifications 2541. Photo ID: 3635-4. Photographer: H. E. Foss.

1 photographic prints : Work is being performed by Morrison-Knudsen, Inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, and Section West Canal, Specifications 2541. Photo ID: 3950-4. Photographer: H. E. Foss.

1 photographic prints : Work is being performed by Morrison-Knudsen, Inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specifications 2541. Photo ID: 3656-4. Photographer: H. E. Foss.

1 photographic prints : Work is being performed by Morrison-Knudsen, Inc. under Schedule 1 of Specifications. Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specifications 2541. Photo ID: 4350-4. Photographer: H. E. Foss.

1 photographic prints : Satisfactory densities have been obtained with from six to either passes on a 4-inch thick lift. Columbia Basin Project, Irrigation Division, Main Canal, Specifications No. 2324. Photo ID: 2948-4. Photographer: Harold E. Foss.

1 photographic prints : Work is being performed by Morrison-Knudsen, Inc. under Schedule 1 of Specifications. Columbia Basin Project, Irrigation Division, 2nd Section, West Canal, Specifications 2541. Photo ID: 4359-4. Photographer: Harold E. Foss.

1 photographic prints : Located approximately 2 miles east of Soap Lake, Washington. Photo taken at request of F. S. Arnold, resident engineer, for record-keeping purposes. Columbia Basin Project, Irrigation Division, West Canal, Specifications #1286-Utah Construction Co. and Winston Bros. Co. Contractor. Photo ID: 182-4. Photographer: Art Bauman.

1 photographic prints : Note the size of the blocks of snow as compared with the man and the dozer in the canal. Work is being performed by Morrison-Knudsen, Inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specifications 2541. Photo ID: 3598-4. Photographer: H. E. Foss.

1 photographic prints : The concrete is manufactured in Ephrata, approximately 9.5 miles distance. Work is being performed by J. A. Terteling and Sons, Inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, Winchester Wasteway, Specifications 2648. Photo ID: 3629-4. Photographer: H. E. Foss.

1 photographic prints : Work is being performed by J. A. Terteling and Sons, Inc. under Specifications. Columbia Basin Project, Irrigation Division, Winchester Wasteway, Specification 2648. Photo ID; 3771-4. Photographer: Harold E. Foss.

1 photographic prints : The floor pour in the immediate foreground has just been completed and the concrete finisher is setting bolts in the fresh concrete which will be used gto anchor wall from bracing. Work is being performed by J. A. Terteling and Sons, inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, Winchester Wasteway, Specifications 2648. Photo ID: 3805-4. Photographer: Harold E. Foss.

1 photographic prints : The gap between the concrete and the circular re-steel is the location of the closed inlet transition. Work is performed by Winston Utah under Schedule I of Specifications. Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications 2411. Photo ID: 3778-4. Photographer: Harold E. Foss.

1 photographic prints : West Canal, Specifications 1286. Photo ID: 17006-3. Photographer: F. B. Pomeroy.

1 photographic prints : Bridge of jumbo is a war-surplus Bailey Bridge. West Canal, Specifications 1286, Winston-Utah Co. Photo ID: 17007-3. Photographer: F. B. Pomeroy.

1 photographic prints : At the right are the two tractor-propelled mixers which serve the paver. A truck is dumping aggregates and cement in the hopper of the mixer. West Canal, Specifications 1286, Winston-Utah Co. Photo ID: 16997-3. Photographer: F. B. Pomeroy.

1 photographic prints : The near mixer discharges concrete onto a conveyor belt leading to the hopper in the center, from which it is distributed by a shuttle-car to the right half of the lining. A similar car on the left is supplied with concrete by the far mixer. Water for sprinkling the subgrade is carried in tanks mounted on the lining machine and are supplied by 3000 gallon tank trucks. Columbia Basin Project, Irrigation Division, Specifications No. 2324, Schedule 2, Long Lake Dam Headworks and Concrete Canal Lining and Structures Station (745-80?) to Station (1101-29.0) - Main Canal. Contractor: Western Contracting Corporation. Photo ID: 2058-4. Photographer: Harold E. Foss.

1 photographic prints : Columbia Basin Project, Irrigation Division, Specifications No. 2324, Schedule 2, Long Lake Dam Headworks and Concrete Canal Lining and Structures Station (745-80?) to Station (1101-29.0) - Main Canal. Contractor: Western Contracting Corp. Photo ID: 3059-4. Photographer: Harold E. Foss.

1 photographic prints : Longitudinal groove cutters are attached to the under-side of the pressure plate. The man watching the action of the machine is Lloyd C. Russell, Chief Inspector. Work is being performed by Morrison-Knudsen, Inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specifications 2541. Photo ID: 3736-4. Photographer: Harold E. Foss.

1 photographic prints : The man on the platform near the center of the machine controls the travel of the curing jumbo. Work is being performed by Morrison-Knudsen, Inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specifications 2541. Photo ID: 3742-4. Photographer: Harold E. Foss.

1 photographic prints : Work is being performed by Morrison-Knudsen, Inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specifications 2541. Photo ID: 3738-4. Photographer: Harold E. Foss.

1 photographic prints : Work is being performed by Morrison-Knudsen, Inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specifications 2541. Photo ID: 3743-4. Photographer: Harold E. Foss.

1 photographic prints : West Canal, Specifications 1286, Winston-Utah Co. Photo ID: 16995-3. Photographer: F. B. Pomeroy.

1 photographic prints : Shuttle car is visible in the upper right corner. West Canal, Specifications 1286, Winston-Utah Co. Photo ID: 16994-3 or C.B. 9466. Photographer: F. B. Pomeroy.

1 photographic prints : West Canal, Specifications 1286, Winston-Utah Co. Photo ID: 17009-3 or C.B. 9456. Photographer: F. B. Pomeroy.

1 photographic prints : This moves independently from the paver. West Canal, Specifications 1286, Winston-Utah Co. Photo ID: 16993-3 or C.B. 9474. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 6424-3. Photographer: H. C. Robinson.

1 photographic prints : Steel is for spillway crest, bridge piers, and drum gate chamber. Photo ID: 6490-3 or C.B. 4478. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 3844-2 or C.B. 4474. Photographer: H. C. Robinson.

1 photographic prints : One of these water supply inlets is in each pier or a total of 11. A 57-inch butterfly valve will be connected to this inlet for control of water supply. Photo ID: 6625-3 or C.B. 4614. Photographer: H. C. Robinson.

1 photographic prints : Picture possibly taken with 12-inch lens. Photo ID: 3936-2 or C.B. 4867. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7128-3 or C.B. 4876. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 9305-3. Photographer: Art Bauman.

1 photographic prints : Photo ID: 7340-3. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7343-3 or C.B. 5025. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7342-3 or C.B. 5024. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7344-3. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7349-3 or C.B. 4997. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7368-3. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7367-3 or C.B. 5007. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 3957-2. Photographer: Robinson.

1 photographic prints : Photo ID: 7596-3. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 7664-3. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 7686-3. Photograph: F. B. Pomeroy.

1 photographic prints : Photo ID: 3982-2 or C.B. 5186. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 3981-2 or C.B. 5185. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 3988-2. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 3997-2 or C.B. 5293. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 4015-2 or C.B. 5407. Photograph: F. B. Pomeroy.

1 photographic prints : Photo ID: 4021-2 or C.B. 5515. Photographer: W. S. Russell.

1 photographic prints : Photo ID: 4025-2. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 4028-2 or C.B. 5542. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 4046-2 or C.B. 5613. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 8741-3 or C.B. 5645. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 8740-3. photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 4057-2 or C.B. 5770.

1 photographic prints : Photo ID: 8787-3 or C.B. 5759. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 8901-3 or C.B. 5763. Photographer: F. B. Pomeroy.

1 photographic prints : Tower C2T3 230 circuit, two more towers between this and P.h. Unit L-2. Photo ID: 4083-2 or C.B. 5863. Photographers: F. B. Pomeroy.

1 photographic prints : The construction trestle appears below the formwork. Eight of the 102-inch outlet tubes are shown in use for diversion of the river flow (right). Photo ID: 4084-2. Photographer: H. C. Robinson.

1 photographic prints : Photo ID: 9543-3. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 9630-3 or C.B. 6213. Photographer: F. B. Pomeroy.

1 photographic prints : Note the men and car at the water line. Photo ID: 4316-2 or C.B. 6474. Photographer: F. B. Pomeroy.

1 photographic prints : On this date, approximately 60,0-00 cubic feet of water per second was plunging nearly 350 feet vertically down the face of the dam, creating a water fall of more than twice the height of Niagara. An additional 25,000 cubic feet of water per second is passing through the hydro-turbine installed in the west powerhouse. Photo ID: 4138-2 or C.B. 7957. Photographer: H. W. Fuller.

1 photographic prints : A similar photo taken after 1948 high water will show to what extent the large rocks are moved by the high water will show to what extent the large rocks are moved by the high water. See book #143, page #39, for location of rocks. Photo ID: 16833-3. Photographer: H. W. Fuller.

1 photographic prints : The rock is from the upriver quarry. This work is being performed by J. A. Terteling and Sons, Inc., under provisions of negotiated contract I2r-18456. Specifications 2636. Photo ID: 19073-3 or C.B. 10251. Photographer: J. D. Roderick.

1 photographic prints : The rock is obtained from the upriver quarry. This work is performed by J. A. Terteling and Sons, Inc., under provisions of negotiated contract I2r-18456, Specifications 2636. Photo ID: 19074-3. Photographer: J. D. Roderick.

1 photographic prints : Note the size of the rock in comparison to the man standing next to it. Armor rock weighing over ten tons has been placed. This rock is obtained from the upriver quarry under work performed by J. A. Terteling and Sons, Inc., under provisions of negotiated contract I2r-18456, Specifications 2636. Photo ID: 19075-3 or C.B. 10250. Photographer: J. D. Roderick.

1 photographic prints : The section extends from the crane upstream to a point opposite the large concrete blocks, showing on the riprap slope a little to the right of the center of the picture and just above the debris. These concrete blocks are from the excavation of the Shasta generating units and withstood the flood waters of 1948. This work is performed by J. A. Terteling and Sons, Inc., under provisions of negotiated contract I2r-18456, Specifications 2636. Photo ID: 19076-3 or C.B. 10249. Photographer: J. D. Roderick.

1 photographic prints : Also see picture 19286-3 which shows the surge receded. Photo ID: 19287-3. Photographer: J. D. Roderick.

1 photographic prints : Detail of the 4-drum hoist and the cables required to maneuver the ferry may be noted. This ferry is being used to carry some 350,000 tons of riprap and armor rock from the Bull Canyon quarry to the right riverbank for slope protection. Grand Coulee Dam, River Channel Improvements, Specifications 2808, Contract I2r-18762, Morrison-Knudsen Company, Inc., Contractor. Photo ID: 22806-3. Photographer: H. W. Fuller.

1 photographic prints : The caisson is at station A29+98.38/B5+97.92 at 12:20pm. In the background is the drydock with miter gates open and fender barges in position. This work is being performed by the Pacific Bridge Company, contractors, as part of their contract to repair the spillway bucket of Grand Coulee Dam. Photo ID: 6144-2. Photographer: J. D. Roderick.

1 photographic prints : Foreground, Caisson with operating machinery on deck. Left, drydock well and miter gate. Background, tug and steel derrick barge. This work is part of the Pacific Bridge Co. contract, Specifications 2475, Coulee Dam, Washington. Photo ID: 20058-3. Photographer: H. W. Fuller.

1 photographic prints : Sand will be placed on top of rock and reinforced concrete atop the sand. The four piers form the resting place for the caisson. Photo ID: 4861-2. Photographer: H. W. Fuller.

1 photographic prints : The caisson barge with operating equipment is shown floating between the caisson towers. In the foreground is the caisson "A" frame anchored to the spillway face, and in the background are the divers' barge, the work barge, and the personnel skiff. This work is being performed by Pacific Bridge Company, contractors, as part of their contract for repair of the spillway of Grand Coulee Dam. Photo ID: 6157-2. Photographer: H. W. Fuller.

1 photographic prints : The caisson barge with machinery for operating the caisson is between the towers. At the left are rafts carrying power line to the caisson barge. At the right are a divers' barge and a work barge. In the background are floats carrying maneuvering lines, a seamule, and a dredging barge. This operation is being performed by Pacific Bridge Company, contractors, as part of their contract to repair the spillway bucket section of Grand Coulee Dam. Photo ID: 18743-3 of C.B. 10153. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 6115-3. Photographer: H. C. Robinson.

1 photographic prints : Picture taken with wide angle lens. Photo ID: 4032-2 or C.B. 5512. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 6857-2. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 3730-4. Photographer: Harold E. Foss.

1 photographic prints : Photo ID: 3674-4. Photographer: Harold E. Foss.

1 photographic prints : Photo ID: 1445-2.

1 photographic prints : Photo ID: 2886-2.

1 photographic prints : Photo ID: 6711-2. Photographer: J. D. Roderick.

1 photographic prints : Description says this is Long Lake Dam, but no dam is in view. Photo taken for display purposes. Photo ID: 18956-3 or C.B. 10215. Photographer: F. B. Pomeroy.

1 photographic prints : Picture taken 169 days after start of construction. Long Lake Dam is two miles northeast of Stratford, Washington. Columbia Basin Project, Irrigation Division, Long Lake Dam, Specifications 1401, J. A. Terteling and Sons, contractor. Photo ID: 451-4. Photographer: Art W. Bauman.

1 photographic prints : Long lake Dam is 2 miles northeast of Stratford, Washington. Columbia Basin Project, Irrigation Division, Specifications No. 1401, Long Lake Dam. Contractor: J. A. Terteling and Sons, Inc. Photo ID: 3232-4 or C.B. 10800. Photographer: Harold E. Foss.

1 photographic prints : Counterfort forms are shown on the extreme right. Long Lake Headworks is 2 miles northeast of Stratford, Washington. Columbia Basin Project, Irrigation Division, Specifications No. 2324, Schedule I, Long Lake Headworks and Concrete Canal Lining and Structures, Station (745-80?) to Station (1101-29.0) - Main Canal. Contractor: George B. Henly Construction Co., Inc. Photo ID: 3202-4. Photographer: Harold E. Foss.

1 photographic prints : The area seen above the dam will be largely covered when the water behind the dam is operation level. Photo ID: 3887-4 or C.B. 11337. Photographer: Harold E. Foss.

1 photographic prints : The material being compacted is sand with very little gravel. The vibrator did not work satisfactorily in this particular material. Photo ID: 2716-4. Photographer: Harold E. Foss.

1 photographic prints : Only two outside ripper teeth are being used. Note difference in penetration of teeth, indicating varying hardness of deposit. West Canal located between Soap Lake, Washington and Winchester, Washington. Columbia Basin Project, Irrigation Division, Specifications no. 2541, Schedule No. 2, Earthwork, Concrete Lining and Structures, Station (734-85?) to Station (1229-74?), West Canal. Contractor: Morrison-Knudsen Company, Inc. Photo ID: 2695-4. Photographer: Harold E. Foss.

1 photographic prints : Columbia Basin Project, Irrigation Division, West Canal. Specifications 1286, Utah Construction Co. and Winston Bros. Co. contractor. Photo ID: 491-4 or C.B. 9027. Photographer: Art W. Bauman.

1 photographic prints : Columbia Basin Project, Irrigation Division, West Canal. Specifications 1286, Utah Construction Co. and Winston Bros. Co. contractor. Photo ID: 358-4 or C.B. 8909. Photographer: Art Bauman.

1 photographic prints : One test weld is made for every 50 production welds. This is then tested for yield point and tensile strength. Columbia Basin Project, Irrigation Division, West Canal. Specifications 1286, Utah Construction Co. and Winston Bros. Co. contractor. Photo ID: 490-4. Photographer: Art W. Bauman.

1 photographic prints : Truck is dumping 1.5-inch gravel from Adrian gravel plant into wooden bin equipped with sprinklers. Conveyor belt runs through tunnel under four bins, enabling operator to charge any size aggregate needed. Sprinklers are installed only over the 1.5-inch and 3/4-inch bins (see August report, photo No. 2006-4). Note bulk cement cars on railroad spur. Photo ID: 2068-4. Photographer: Harold E. Foss.

1 photographic prints : Back of housing for cement scale dial and recorder tape are shown at right foreground. Portion of aggregate scale dial may be seen in right background. At left is screw conveyor from cement silo to cement weighing hopper in center of picture. Behind this hopper is the aggregate weighing hopper. Photo ID: 2071-4. Photographer: Harold E. Foss.

1 photographic prints : Job hazards are minimized by use of proper safety equipment. Columbia Basin Project, Irrigation Division. West Canal and East Low Canal, Specifications 1286 and 1422. Photo ID: 2072-4. Photographer: Harold E. Foss.

1 photographic prints : Equipment shown includes half-cubic foot unit weight measure, electric vibrator, scale, and gasoline-powered generator. In left foreground is covered box where test cylinders are stored until picked up on following day. Cylinders from previous day's test may be seen in ambulance used for transportation. Columbia Basin Project, Irrigation Division. East Low Canal, Specification No. 1422. Photo ID: 2064-4. Photographer: Harold E. Foss.

1 photographic prints : Remaining concrete in wheelbarrow will be used to make concrete cylinders, yield and air entrainment tests. Bucket of water and brush in foreground are used to wash test equipment. Columbia Basin Project, Irrigation Division. East Low Canal, Specifications 1422. Photo ID: 2164-4. Photographer: Harold E. Foss.

1 photographic prints : Representative material from the spread and processed lift is obtained, given standard laboratory compaction and resistance to penetration of a needle of definite and area is measured. A resistance to penetration range from 1000 to 2000 pounds per square inch indicates that the material contains the proper moisture for compaction. A needle reading less than 1000 pounds per square inch indicates that the material is too wet and it must be dried out by processing or mixing with drier material. A needle reading greater than 2000 pounds per square inch indicates that the material is too dry and moisture must be added. Columbia Basin Project, Irrigation Division, Long Lake Dam. Photo ID: 1658-4. Photographer: Harold E. Foss.

1 photographic prints : Anchor bolts welded to re-steel for additional strength. Work is being performed by Western Contracting Corporation under Schedule #2 of above Specifications. Columbia Basin Project, Irrigation Construction Division, 3rd Section East Low Canal, Specifications 2879. Photo ID: 4545-4. Photographer: Harold E. Foss.

1 photographic prints : Anchor bolts welded to re-steel for additional strength. Work is being performed by Western Contracting Corporation under Schedule #2 of above Specifications. Photo ID: 4546-4. Photographer: Harold E. Foss.

1 photographic prints : Note the reinforcing steel in the lower right corner of the photograph and the hole being chipped through a repair area at left. Work performed by Western Contracting Corporation. Columbia Basin Project, Irrigation Division, 3rd Section East Low Canal and Weber Wasteway Turnout, Specifications No. 2879. Photo ID: 4363-4. Photographer: Harold E. Foss.

1 photographic prints : Inadequate vibration has resulted in numerous concrete repairs to be necessary in this structure. Concrete placed in subsequent structures have been free from rock pockets as more attention is given to correct placing methods. Work performed by Western Contracting Corporation. Columbia Basin Project, Irrigation Division, 3rd Section East Low Canal and Weber Wasteway Turnout Structure, Specifications No. 2879. Photo ID: 4364-4. Photographer: Harold E. Foss.

1 photographic prints : Shoofly in background. View looking south. Work being done by Western Contracting Corporation. Columbia Basin Project, Irrigation Division, 3rd Section East Low Canal and Weber Wasteway, Specifications 2879. Photo ID: 4376-4. Photographer: Harold E. Foss.

1 photographic prints : This material will be rescreened by the subcontractor prior to batching. Note top of batching plant beyond the stockpile. Columbia Basin Project, Irrigation Division, Specifications No. 2541, West Canal, Second Section. Contractor: Morrison-Knudsen Company Inc. Photo ID: 3582-4. Photographer: Harold E. Foss.

1 photographic prints : Materials rescreened are stored in the timber bins and fed through gates in the bottom onto conveyor belt in tunnel. Sloping sides have been constructed within the bins to eliminate dead storage space. Columbia Basin Project, Irrigation Division, Specifications No. 2541, West Canal, Second Section. Contractor: Morrison-Knudsen Company Inc. Photo ID: 3584-4. Photographer: Harold E. Foss.

1 photographic prints : Concrete is placed from the concrete bucket to small chutes in front of each counterfort. Long Lake Headworks is 2 miles northeast of Stratford, Washington. Columbia Basin Project, Irrigation Division, Specifications No. 2324, Schedule I, Long Lake Headworks and Concrete Canal Lining and Structures, Station (745-80?) to Station (1101-29.0). Contractor: George B. Henly Construction Co., Inc. Photo ID: 3200-4. Photographer: Harold E. Foss.

1 photographic prints : Concrete is being placed in tremies which allow the concrete to be deposited in the counterforts back of the wall. Men in foreground with Klug Construction Co. hand trimming canal section for lining. Long Lake Headworks is 2 miles northeast of Stratford, Washington. Columbia Basin Project, Irrigation Division, Specifications No. 2324, Schedule I, Long Lake Headworks and Concrete Canal Lining and Structures, Station (745-80?) to Station (1101-29.0). Contractor: George B. Henly Construction Co., Inc. Photo ID: 3201-4 or C.B. 10669. Photographer: Harold E. Foss.

1 photographic prints : Backfill material is loaded into trucks by the crane in the background and hauled to the point where the truck is unloading. The dirt is spread in place by hand and compacted with air-tampers. The white floor slab at the left of the picture was placed on March 27, 1950. Work is being performed by George B. Henly Construction Co., Inc. under Schedule 1 of specifications. Columbia Basin Project, Irrigation Division, Long Lake Headworks, Specifications 2324. Photo ID: 3601-4 or C.B. 11063. Photographer: Harold E. Foss.

1 photographic prints : Concrete is placed from the beginning of the open inlet transition, Station (510-50?) to the end of the last buttress, Station (511-10?). When compacted backfill is in place and the slope replaced from Station (511-10?) to (511-35?) then the unformed bottom and sides will be concreted between the above two stations. The work is being performed by Winston-Utah under Schedule I of the specifications. Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications 2411. Photo ID: 3611-4. Photographer: Harold E. Foss.

1 photographic prints : Allis Chalmers HD-5 tractor with Tracto-Loader is used to place material and to pull small roller used in areas inaccessible to the larger sheepsfoot rollers. Work is being performed by Morrison-Knudsen, Inc. under Schedule 2 of Specifications. Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specifications 2541. Photo ID: 3600-4. Photographer: Harold E. Foss.

1 photographic prints : Reinforcement steel for the operation deck and electrical conduit and ground wires are in place ready for concrete. Long Lake Headworks is 2 miles northeast of Straford, Washington. Columbia Basin Project, Irrigation Division, Specifications No. 2324, Schedule 1, Long Lake Headworks and Concrete Canal Lining and Structures, Station (745-80?) to Station (1101-29.0) - Main Canal. Contractor: George B. Henly Construction Co., Inc. Photo ID: 3375-4. Photographer: Harold E. Foss.

1 photographic prints : Farther back can be seen the contractor's field camp. This patrol is fine grading the subgrade. Minnin and Shilling - Contractor. Columbia Basin Project, Irrigation Division, Third Section West Canal, Specifications 2844, Schedule 3. Photo ID: 3614-4 or C.B. 11069. Photographer: Harold E. Foss.

1 photographic prints : Columbia Basin Project, Irrigation Division, East Low Canal, 1st Section, Specifications 1422. Photo ID: 3878-4. Photographer: Harold E. Foss.

1 photographic prints : The forms are warped from vertical to 1:1 slop on a 40-degree curve. Columbia Basin Project, Irrigation Division, West Canal, Specifications No. 1286. Utah Construction Co. and Winston Bros. Co., Contractor. Photo ID: 2131-4. Photographer: Harold E. Foss.

1 photographic prints : The stilling pool was excavated from a columnar basalt rock formation. Columbia Basin Project, Irrigation Division, Third Section, West Canal, Specification 2844, Schedule 3. Minnis and Shilling - Contractor. Photo ID: 4583-4 or C.B. 11576. Photographer: Harold E. Foss.

1 photographic prints : Transition warps from vertical with a 25-foot bottom to a 1.5:1 slope with a 38-foot bottom on a 40-degree curve. Openings in the forms are for buttresses. Canal lining shows in the foreground. Columbia Basin Project, Irrigation Division, West Canal, Specifications No. 1286. Utah Construction Co. and Winston Bros. Co., Contractor. Photo ID: 2125-4. Photographer: Harold E. Foss.

1 photographic prints : Canal is completed with inlet structure of the siphon yet to be done. Columbia Basin Project, Irrigation Division, Bacon Siphon, Specifications 1236, T. E. Connolly, Inc., Contractor. Photo ID: 19104-3 or C.B. 10267. Photographer: H. W. Fuller.

1 photographic prints : Infrared was used to accentuate the cloud effect. Work is being performed by Winston-Utah under Schedule II of the Specifications. Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications 2411. Photo ID: 3928-4 or C.B. 11328. Photographer: Harold E. Foss.

1 photographic prints : Photo ID: 15835-3 or C.B. 9023. Photographer: H. Wayne Fuller.

1 photographic prints : Bifurcation works (junction of Main, West, and East Low Canals) is at end of siphon in left background. Fill over siphon beyond the form jumbo is crossing of P. S. Highway No. 7. Form stands at Section 95 and re-steel is in place to Section 110 in foreground. Columbia Basin Project, Irrigation Division, East Low Canal, Specifications No. 1422. Utah Construction Co. and Winston Bros. Co., Contractor. Photo ID: 2045-4 or C.B. 9834. Photographer: Harold E. Foss.

1 photographic prints : The men in the right foreground are placing the outer re-steel hoops. Curve P.I. = (468-54.95?). Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications No. 2411, Winston Brothers and Utah Construction Co., Contractors. Photo ID: 3224-4 or C.B. 10765. Photographer: Harold E. Foss.

1 photographic prints : The outside form has been moved to the right preparatory to another pour. Reinforcing steel is in place farther to the right. Dry Coulee Siphon No. 1. This overall photograph shows the cycle in placing concrete in Dry Coulee Siphon No. 1 by Winston-Utah. Photo ID: 16087-3 or C.B. 9121. Photographer: F. B. Pomeroy.

1 photographic prints : In the foreground are shown two of Humiston-Rosendahl's "ferris wheels" used in making the field weld joining the liner sections. Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications No. 2411, Winston Brothers and Utah Construction Co., Contractors. Photo ID: 3220-4 or C.B. 10767. Photographer: Harold E. Foss.

1 photographic prints : The inner curtain and "liner" support staubs and channel iron. The "liner" placing gantry - a liner section and the stiffener ring replacement jigs. Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications No. 2411. Utah Construction Co. and Winston Bros. Co., Contractor. Photo ID: 2883-4 or C.B. 10438. Photographer: Harold E. Foss.

1 photographic prints : Columbia Basin Project, Irrigation Division, Soap Lake Siphon. Photo ID: 2894-4 or C.B. 10706 or 10906.

1 photographic prints : Crab Creek siphon. Photo ID: 17941-3.

1 photographic prints : A portion of the warped open outlet transition shown in the immediate foreground is a 40-degree curve. Also shown in the foreground is the reinforcing steel for the uncompleted portion of the siphon barrel and the siphon form in place over a complete standard 25-foot section of the siphon barrel. The forms for the closed inlet transition are under construction. The contractor's shops and offices are on the right of the canal section. Columbia Basin Project, Irrigation Division, West Canal, Specifications 1286, Utah Construction Co. and Winston Bros. Co., Contractor. Photo ID: 2727-4 or C.B. 10371. Photographer: Harold E. Foss.

1 photographic prints : Water is pumped through a circulating coil in the fire box. See Photo 4514-4 for detail on pump hook up. Work performed by J. A. Terteling & Sons, Inc., contractor. Photo ID: 4428-4. Photographer: Harold E. Foss.

1 photographic prints : This work is being performed by Machinist, Inc., subcontractor of Morrison-Knudsen Company, Inc. and Peter Kiewit Sons' Company. Specifications No. 2329. Photo ID: 22044-3. Photographer: F. B. Pomeroy.

1 photographic prints : This photo was taken at about Station (75-15?) in the invert of the outlet open transition of the out-and-cover looking east at the downstream end of the barrel section. The contractor is erecting forms, and placing reinforcing steel for the closed round-to-square transition. In the foreground, the contractor is erecting forms, and placing and tying reinforcing steel for the underdrain pump well at the downstream end of the round-to-square transition. Specifications No. 2586, J. A. Terteling and Sons, Inc., Contractor. Photo ID: 22015-3 or C.B. 11233. Photographer: J. D. Roderick.

1 photographic prints : Floor concrete placed first; screeds outline construction joint. Columbia Basin Project, Irrigation Division, 2nd Section East Low Canal, Specifications 2603. Photo ID: 4335-4. Photographer: Harold E. Foss.

1 photographic prints : The completed open outlet transition is shown in the background with a portion of the reinforcing steel for the closed outlet transition in place. The siphon barrel has a 19'4" inside diameter with 20" concrete walls. This siphon, which is located approximately 8 miles southeast of Adrian, is 542 feet long. Columbia Basin Project, Irrigation Division, East Low Canal, Specifications 1422, Utah Construction Co. and Winston Bros., Contractor. Photo ID: 3018-4. Photographer: Harold E. Foss.

1 photographic prints : The gravel trap baffles and their drains are clearly shown. Work is performed by Winston-Utah under Schedule I of the specifications. Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications 2411. Photo ID: 3980-4 or C.B. 11333. Photographer: Harold E. Foss.

1 photographic prints : Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications No. 2411. Utah Construction Co. and Winston Bros., Contractor. Photo ID: 2887-4 or C.B. 10432. Photographer: Harold E. Foss.

1 photographic prints : The direction of flow through the siphon is from left to right of the picture. Work is being performed by Winston-Utah under Schedule II of the above specifications. Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications 2411. Photo ID: 3927-4 or C.B. 11330. Photographer: Harold E. Foss.

1 photographic prints : This drainage culvert takes care of excess moisture on a considerable acreage north of the canal and channels the water away from the irrigable land. Columbia Basin Project, Irrigation Division, Specifications No. 2844, Third Section, West Canal, Schedules No. 1 and 2. Contractor: marshall, Haas, and Royce, Haas and Rothschild. Photo ID: 4067-4 or C.B. 11412. Photographer: Harold E. Foss.

1 photographic prints : Dark concrete in foreground is Section 50A. The 54-B - 3 C.Y. dragline is seen in the upper right excavating common and stripping rock for the drillers, Station 437. Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications No. 2411, Winston Brothers and Utah Construction Co., Contractors. Photo ID: 3225-4 or C.B. 10769. Photographer: Harold E. Foss.

1 photographic prints : Concrete placing is complete, some chipping and patching remain to be done. West Canal located between Soap Lake, Washington and Winchester, Washington. Columbia Basin Project, Irrigation Division, Specifications No. 2541, Schedule No. 2, Earthwork, Concrete Lining and Structures, Station (734-85?) to Station (1229-74?). Photo ID: 3251-4. Photographer: Harold E. Foss.

1 photographic prints : Walls and top slab for the inlet and the outlet hub remain to be placed. West Canal located between Soap Lake, Washington and Winchester, Washington. Columbia Basin Project, Irrigation Division, Specifications No. 2541, Schedule No. 2, Earthwork, Concrete Lining and Structures, Station (734-85?) to Station (1229-74?), West Canal. Contractor: Morrison-Knudsen Company, Inc. Photo ID: 3250-4. Photographer: Harold E. Foss.

1 photographic prints : West Canal located between Soap Lake, Washington and Winchester, Washington. Columbia Basin Project, Irrigation Division, Specifications No. 2541, Schedule No. 2, Earthwork, Concrete Lining and Structures, Station (734-85?) to Station (1229-74?), West Canal. Contractor: Morrison-Knudsen Company, Inc. Photo ID: 3248-4. Photographer: Harold E. Foss.

1 photographic prints : Steel yard, where siphon re-steel is out, rolled and welded is at left background. Columbia Basin Project, Irrigation Division, West Canal, Specifications No. 1286. Utah Construction Co. and Winston Bros. Co., Contractor. Photo ID: 2091-4. Photographer: Harold E. Foss.

1 photographic prints : Long Lake Dam is two miles northeast of Stratford, Washington. Columbia Basin Project, Irrigation Division, Long Lake Dam. Specifications #1401. J. A. Terteling and Sons, Contractor. Photo ID: 526-4. Photographer: Art W. Bauman.

1 photographic prints : Columbia Basin Project, Irrigation Division I. Bacon Tunnel, Specifications 1236, T. E. Connolly Inc., Contractor. Photo ID: 16130-3 or C.B. 9100. Photographer: H. W. Fuller.

1 photographic prints : Columbia Basin Project, Irrigation Division I, Bacon Tunnel, Specification 1236, T. E. Connolly Inc., Contractors. Photo ID: 15142-3 or C.B. 8833. Photographer: H. W. Fuller.

1 photographic prints : Columbia Basin Project, Irrigation Division, Bacon Tunnel, Specifications 1236, T. E. Connolly, Inc., Contractors. Photo ID: 18182-3 or C.B. 9947. Photographers: H. W. Fuller.

1 photographic prints : Long Lake Dam is two miles northeast of Stratford, Washington. Columbia Basin Project, Irrigation Division, Long Lake Dam, Specification No. 1401, J. A. Terteling and Sons, Contractor. Photo ID: 1454-4. Photographer: Harold E. Foss.

1 photographic prints : Rags wrapped around sweep brooms are used. The enameling stage is in the background. This work is being performed by Walter Ferem Company, Los Angeles, sub-contractor for Winston-Utah under Schedule II of specifications. Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications 2411. Photo ID: 4088-4. Photographer: Harold E. Foss.

1 photographic prints : View looks horizontally at corner behind miner in photo 2059-4 from same position photo 2060-4 was taken. Columbia Basin Project, Irrigation Division, Potholes East Canal. Photo ID: 2061-4. Photographer: Harold E. Foss.

1 photographic prints : Bottom margin of photo is approximately Elevation 1027. View inclines upward along corner behind miner in photo 2059-4. Material has characteristics of clay, being fine grained, slippery when wet, and shrinks and fractures upon drying causing spalling. Columbia Basin Project, Irrigation Division, Potholes East Canal. Photo ID: 2060-4. Photographer: Harold E. Foss.

1 photographic prints : Mixer and "Pumpcrete" set-up are shown in the central part of the view. The cut-off wall footing which runs through the headworks can be seen in the left central background, with the contractors air and water supply lines running down the rock bank behind and to the left of it. Photo ID: 16985-3. Photographer: F. B. Pomeroy.

1 photographic prints : Photo ID: 16030-3 or C.B. 9054. Photographer: H. W. Fuller.

1 photographic prints : Photo ID: 16123-3 or C.B. 9110. Photographer: H. W. Fuller.

1 photographic prints : Risers are located along the sideslopes of the cut-off trench. Photo ID: 16117-3. Photographer: H. W. Fuller.

1 photographic prints : Long Lake Dam is two miles northeast of Stratford, Washington. Columbia Basin Project, Irrigation Division, Long Lake Dam. Specifications 1401, J. A. Terteling and Sons, Contractor. Photo ID: 882-4. Photographer: Harold E. Foss.

1 photographic prints : The dozer is preparing a ramp to facilitate cleanup work in inaccessible potholes downstream from centerline. Cleanup and placing operations on foundation, station (71-50?) to (74-00?). Photo ID: 16125-3 or C.B. 9105. Photographer: H. W. Fuller.

1 photographic prints : Main Canal Headworks. The ladder-like templates in the middle left of the view support reinforcing steel in the hinge part of the gate section of the two west partition walls. Photo ID: 17790-3. Photographer: J. D. Roderick.

1 photographic prints : Columbia Basin Project, Irrigation Division, 2nd Section East Low Canal, Specifications 2603. Steel Construction Co. of Oregon, sub-contractor for J. A. Terteling & Sons. Photo ID: 4319-4. Photographer: Harold E. Foss.

1 photographic prints : The straight bar is fed to the machine from the lower left, goes through the rolls, and follows the support rollers around to the upper left. Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications No. 2411, Winston Brothers and Utah Construction Co., Contractors. Photo ID: 3037-4. Photographer: Harold E. Foss.

1 photographic prints : South Coulee Dam - Main Canal Headworks. Photo ID: 17561-3 or C.B. 9697. Photographer: H. W. Fuller.

1 photographic prints : Forms have been removed from service bridge but are in place under the operation deck slab. When completed each of the 3 openings will contain a 25' x 25' radial gate. The structure is 38.5' high. Long Lake Headworks is 2 miles northeast of Stratford, Washington. Columbia Basin Project, Irrigation Division, Specifications No. 2324, Schedule 1, Long Lake Headworks and Concrete Canal Lining and Structures, Station (745-80?) to Station (1101-29.0?) - Main Canal. Contractor: George B. Henly Construction Co., Inc. Photo ID: 3422-4 or C.B. 10900. Photographer: H. E. Foss.

1 photographic prints : The main canal pipe crossing is shown in the immediate foreground. South Coulee Dam - Main Canal Headworks. Photo ID: 19358-3 or C.B. 10349. Photographer: J. D. Roderick.

1 photographic prints : South Coulee Dam - Main Canal Headworks. Photo ID: 19101-3. Photographer: H. W. Fuller.

1 photographic prints : Portal structure and open transition is complete except for backfilling and cleaning up operations. Columbia Basin Project, Irrigation Division, Bacon Tunnel, Specifications 1236, T. E. Connolly, Inc., Contractor. Photo ID: 18183-3. Photographer: H. W. Fuller.

1 photographic prints : Farm covers 80 acres. Water supply well may be seen in distance ,and the town of Wheeler may be seen in distance, and the town of Wheeler may be seen in extreme left background. Men in picture are, left; M. W. Hoisveen, USBR Agriculture Eng.; center, B. W. Doran, USBR Agriculture Eng.; right, H. A. Sandwick, USBR Agriculture Eng. Photo taken for J. L. Toevs, chief of land development. Columbia Basin Project, Irrigation Division. Predevelopment Farm No. 1; located approximately 2 miles east of Moses Lake, Washington. Photo ID: 117-4 or C.B. 8564. Photographer: Art Bauman.

1 photographic prints : Borrow area is on right side of lateral within the R/W. Man in foreground is standing at left toe stake at station (4-00?). Primary State Highway #7 is in the background. The camera is facing south. Work is being performed by J. A. Terteling and Sons, Inc. under Schedule 1 of above Specifications. Columbia Basin Project, Irrigation Division, W-3 Laterals, Specifications 2880. Photo ID: 3792-4. Photographer: H. E. Foss.

1 photographic prints : This feature under construction by J. A. Terteling and Sons, Inc., 12 to 15 miles northwest of Pasco, Washington, Specifications 1230. Photo ID: 16065-3. Photographer: A. F. Swanson.

1 photographic prints : This section is under construction 10 to 15 miles northwest of Pasco, Washington by J. A. Terteling and Sons, Inc., Specifications 1230. Photo ID: 15317-3 or C.B. 8924. Photographer: A. F. Swanson.

1 photographic prints : This is an experimental prime membrane lining section on Pasca Pump Lateral System PPL Station 438+64 to 447+91.8. This feature under construction by J. A. Terteling & Sons, Inc., Specifications 1230. Photo ID: 16106-3 or C.B. 9135. Photographer: A. F. Swanson.

1 photographic prints : This feature under construction by J. A. Terteling and Sons, Inc., Specifications 1230. Photo ID: 15995-3 or C.B. 9072. Photographer: A. F. Swanson.

1 photographic prints : Specifications 1230, PPL station 45+00, 10 to 15 miles northwest of Pasco, Washington. Photo ID: 15195-3 or C.B. 8852. Photographer: A. F. Swanson.

1 photographic prints : Specifications 1230. Photo ID: 15194-3 or C.B. 8850. Photographer: A. F. Swanson.

1 photographic prints : Asphaltic concrete lining, showing transverse cracks that developed following 0-degree temperature of winter of 1948-49, which have been filled with mastic. Columbia Basin Project, Irrigation Division, Block 1, Pasco Pump Unit, Specifications 1230. Photo ID: 3707-4. Photographer: H. E. Foss.

1 photographic prints : Showing 8-foot Parshall flume as measuring device. Discharge is approximately 55 c.f.s. Columbia Basin Project, Irrigation Division, Block 1, Pasco Pump Unit, Specifications 1230. Photo ID: 3710-4. Photographer: H. E. Foss.

1 photographic prints : Compare this photograph with a pre-irrigation picture taken from the same point. See Photo 15429-3. Photo ID: 20085-3. Photographer: F. B. Pomeroy.

1 photographic prints : This feature constructed by J. A. Terteling & Sons, Inc. Specifications 1230. Photo ID: 16237-3 or C.B. 9137. Photographer: A. F. Swanson.

1 photographic prints : This turnout is across from Unit 6, on PP. 1.8. Columbia Basin Project, Irrigation Division, Pasco Pumping Plant. Photo ID: 3716-4. Photographer: H. E. Foss.

1 photographic prints : Unit 65. Columbia Basin Project, Irrigation Division, Pasco Settlers. Photo ID: 3570-4. Photographer: H. E. Foss.

1 photographic prints : Note placing of wire mesh reinforcement for band. This feature under construction by Mathews Brothers about 7 miles east of Pasco, Washington. Specifications R1-CB-13. Photo ID: 19673-3. Photographer: A. F. Swanson.

1 photographic prints : Note groove of pipe filled with mortar. This feature under construction by Mathews Brothers about 7 miles east of Pasco, Washington. Specifications R1-OB-13. Photo ID: 19674-3. Photographer: A. F. Swanson.

1 photographic prints : Work is being performed by J. A. Terteling and Sons, Inc. under Schedule 1 of Specifications. Columbia Basin Project, Irrigation Division, W-3 Laterals, Specifications 2880. W-25 Lateral Station (11-84.50?) State Highway #7 Crossing. Photo ID: 4566-4. Photographer: H. E. Foss.

1 photographic prints : Work is being performed by J. A. Terteling and Sons, Inc. under Schedule 1 of Specifications. Columbia Basin Project, Irrigation Division, W-3 Laterals, Specifications 2880. W-25 Lateral, Station (11-84.50?) State Highway #7 Crossing. Photo ID: 4564-4. Photographer: H. E. Foss.

1 photographic prints : Pipe burst due to internal pressure when testing pipe line. Pipe laid in October, 1946. Tested October, 1948. Photo ID: 18310-3. Photographer: A. F. Swanson.

1 photographic prints : Pipe is laid first and concrete structure built at later date. This work being done by J. A. Terteling and Sons under Specifications 2603, Schedule 2. Columbia Basin Project, Irrigation Division, 2nd Section, East Low Canal, Specifications 2603. Photo ID: 3645-4. Photographer: H. E. Foss.

1 photographic prints : Here they have just completed pouring concrete for a turnout. Columbia Basin Project, Irrigation Division, Pasco Settlers. Photo ID: 3569-4. Photographer: H. E. Foss.

1 photographic prints : Portable sheet metal house behind motor will be set over installation for protection against weather. No. 56 PP-8.0 relift pump of 3 H.P. used to deliver 3 cubic feet per second to two farm units. Photo ID: 18328-3 or C.B. 10045. Photographer: A.F. Swanson.

1 photographic prints : The three pumps will deliver 40 c.f.s. to the Burbank Lateral through a 36 discharge line with a lift of 100 feet. This feature under construction by Pfeiffer and Hohner about 7 miles east of Pasco, Washington. Specifications R1-CB-16. Photo ID: 3254-4 or C.B. 10789. Photographer: H. E. Foss.

1 photographic prints : This feature under construction about 7 miles east of Pasco, Washington by Pfeiffer and Hohner. Specifications R1-CB-16. Photo ID: 3256-4 or C.B. 10790. Photographer: H. E. Foss.

1 photographic prints : Much of his acreage is irrigated by a wooden flume, part of which may be seen at upper left. Columbia Basin Project, Irrigation Division, Pasco Settlers. Photo ID: 3713-4 or C.B. 11268. Photographer: H. E. Foss.

1 photographic prints : Columbia Basin Project, Irrigation Division, Pasco Units. Photo ID: 2623-4. Photographer: H. E. Foss.

1 photographic prints : The lateral is 720 feet in length and can be moved 60 feet in approximately 5 minutes. The wheels are spaced at 40-foot intervals. Photo ID: 3664-4 or C.B. 11167. Photographer: H. E. Foss.

1 photographic prints : Herd is owned by Kenneth Hampton who holds lease for operating farm. In right distance is corn field. Photo ID: 17786-3 or C.B. 9817. Photographer: F. B. Pomeroy.

1 photographic prints : Columbia basin Project, Irrigation Division. Photo ID: 694-4. Photographer: Art Bauman.

1 photographic prints : Columbia Basin Project, Irrigation Division. Photo ID: 698-4. Photographer: Art W. Bauman.

1 photographic prints : Many settlers on the project are acquiring fine dairy herds. Columbia Basin Project, Irrigation Division, Pasco Settlers. Photo ID: 3727-4 or C.B. 11273. Photographer: H. E. Foss.

1 photographic prints : Ken Marvin is doing the plowing, rents the farm from the owner. Columbia Basin Project, Irrigation Division, Pasco Settlers. Photo ID: 3723-4 or C.B. 11270. Photographer: H. E. Foss.

1 photographic prints : Looking south, highway in distance. Columbia Basin Project, Irrigation Division, Pasco Settlers. Photo ID: 3722-4 or C.B. 11269. Photographer: H. E. Foss.

1 photographic prints : The diseases is commonly referred to as Leaf Roll. The rolling of the leaves is often accompanied by a purple coloring of the stems, veins of the leaves, and the edges of the small terminal leaves. Under certain conditions this disease may spread very rapidly. No satisfactory control measures have been found. Potatoes in this field were planted June 27. Columbia Basin Project, Irrigation Division. Photo ID: 799-4. Photographer: H. E. Foss. Photo taken from Land Development Section.

1 photographic prints : The rye was planted last fall as a nurse crop only, and surprised him by growing beyond all expectations. Columbia Basin Project, Irrigation Division, Pasco Settlers. Photo ID: 3724-4 or C.B. 11271. Photographer: H. E. Foss.

1 photographic prints : Twelve hours after a 3/4-inch rain which fell between 5:00 P.M. to 10:00 P.M. on September 16. Water was standing in alternate furrows in the low or flat areas of the Netted Gems potato field. Eighteen days after the last irrigation, which gives an indication of the slow rate of penetration in this field. This shows the effect of compaction by tractor wheels in rows with water. Columbia Basin Project, Irrigation Division. Photo ID: 800-4. Photographer: Harold E. Foss. Photo taken for Land Development Section.

1 photographic prints : Standard Form 57. US Civil Service Commission. Revised March, 1961.

1 photographic prints : Revised June 30, 1964

1 photographic prints : McNary Lock and Dam is a Walla Walla District, U. S. Army Corps of Engineers' project on the Columbia River. This photo shows the 7,300-foot long multipurpose project with its lock, north and south shore fish ladders, spillway bays and powerhouse. The 38,000-acre reservoir stretches behind the dam 61 miles upstream to the Pasco Kennewick, Washington area. Photo ID: MCN-2697.

1 photographic prints : Artist's conception of the $210,000,000 Dworshak (Bruces Eddy) Dam two miles upstream on the North Fork of the Clearwater River from the town of Ahsahka, Idaho. Dworshak Dam will be a concrete gravity dam with an initial power production potentially of 400,000 kilowatts from three generators. Three additional generators can be added later to boost the power output to 1,060,000 kilowatts. Dworshak Dam will create a reservoir storing 3,453,000 acre-feet of water and will add substantially to the prime power production of hydroelectric plants downstream on the Snake and Columbia Rivers .Also, it will serve a vital role in flood control on the Clearwater, which has wide fluctuations in flow during the year. The Dworshak Dam Reservoir will be approximately 53 miles long. Congress appropriated $600,000 in planning funds in 1961, and in 1962 Congress appropriated $2,000,000 in construction funds. Start of construction began in April 1963, with building of access roads to the project.

1 photographic prints : "Cat jockeys" must know their stuff in preparing the tunnel portal at the U.S. Army Corps of Engineers' Dworshak Dam on the North Fork Clearwater River. In the rear may be seen the battery of air drills constantly at work at the tunnel site.

1 photographic prints : Thirty air-driven "Swedish ladder drills" will be distributed along the face of the mobile drill rig and will be advanced forward yard as the tunnel bore is pushed ahead. The schedule calls for the thirty borings across the face of the tunnel to be loaded with explosives, the drill frame pulled back out of the tunnel, and the charge exploded at each change of shift. The bore will be 1,573 feet in length, with a vertical height of approximately 50 feet and a horizontal width of 40 feet.

1 photographic prints : Timber is on land at the U.S. Army Corps of Engineers Dworshak (Bruces Eddy) Dam site on the North Fork of the Clearwater River. Dworshak Dam will set across the river about the center of the picture and will climb to a height of 673 feet.

1 photographic prints : Dworshak Dam sit three miles upstream from the town of Ahsahka, near the confluence of the North Fork of the Clearwater River and the Clearwater main stem

1 photographic prints : This is an artist's conception of John Day Dam, designed and being constructed under the supervision of the U.S. Army Engineer District, Walla Walla, Corps of Engineers, at river mile 215.6 on the Columbia River.

1 photographic prints : Mount Hood in the background. Work on the South or left shore ,being carried on behind the 25-acre cofferdam inclosed work area, is nearing the 45 percent completion mark. Here the powerhouse and powerhouse intake section is being constructed, with a total of 578,000 cubic yards of concrete having been placed to date. Meanwhile, the entire flow of the Columbia River is being diverted through the 18 spillway bays while barge navigation is maintained through the North Shore navigation lock by use of a temporary channel feeding into the lock from upstream.

1 photographic prints : Vinnell-McNamara-Mannix-Fullder, holders of the $73 million contract for completion of the powerhouse section, is rated as over 41 percent complete and is on schedule.

1 photographic prints : South Shore powerhouse section is well past the 40 percent completion mark under the $73,356,000 contract held by Vinnell-McNamara-Mannix-Fuller. This picture was taken from the deck of the mid-river spillway section of the dam, looking down into the 25-acre South Shore work area.

1 photographic prints : With diversion of the Columbia River through the North Shore spillway bays at the U.S. Army Corps of Engineers' John Day Lock and Dam, barges and tows are now utilizing the temporary channel and permanent lock of the huge multipurpose project.

1 photographic prints : At the lower left hand corner of the picture may be seen the Union Pacific Railroad right of way. The entire town of Boardman will be moved from this site to a site at the upper left hand side of the picture near the dark area. The new Interstate Highway 80N will run by the darkened area, with Boardman being in between the new highway and the new railroad right of way, which will be approximately where U.S. Highway 30 is now.

1 photographic prints : At the time of this photo, the town "still remains intact, but time is fast running out." The overpass bridge of Interstate Highway 80N is scheduled for completion by the end of the year. By that time the Walla Walla District, U.S. Army Corps of Engeineers will have under way the demolishing phase of the project. The present Arlington business district will be transferred to the new site above the pool level of John Day Dam, scheduled for raising in 1968.

1 photographic prints : A few miles above the south shore axis of the U.S. Army Corps of Engineers John Day Lock and Dam on the Columbia River. Here is shown the new four-lane highway bridge at John Day and the new Union Pacific Bridge necessitated by the relocation work. Riverward from the two new crossings may be seen the old highway bridge and the old Union Pacific bridge as they cross the John Day River at the present Columbia River level. Both of these approaches will be inundated with the creating of the John Day Reservoir.

1 photographic prints : A few miles above the south shore axis of the U.S. Army Corps of Engineers John Day Lock and Dam on the Columbia River. Here is shown the new four-lane highway bridge at John Day and the new Union Pacific Bridge necessitated by the relocation work. Riverward from the two new crossings may be seen the old highway bridge and the old Union Pacific bridge as they cross the John Day River at the present Columbia River level. Both of these approaches will be inundated with the creating of the John Day Reservoir.

1 photographic prints : With diversion of the Columbia River through the North Shore spillway bays at the U.S. Army Corps of Engineers' John Day Lock and Dam, barges and tows are now utilizing the temporary channel and permanent lock of the huge multi-purpose project. Here is shown a tug with a pair of wheat barges in tow moving through the temporary channel, headed downstream for clearance through the John Day Lock. With completion of the project, this temporary channel will be inundated by the John Day Reservoir which will be nearly 100 feet in depth at this point.

1 photographic prints : Shown in the lower part of the picture is the 15-acre newly prepared business section created by the artificial fill to an elevation above the reservoir. The buildings in the center of the picture are not scheduled for demolishing until May 1967; however, access to the present temporary business district will be practically cut off once traffic is diverted across the new Interstate Highway 80 bridge. With creating of the John Day reservoir, the water will inundate the present temporary business section occupied by the buildings, and the new Arlington will be provided with a quay-type waterfront. The huge fill riverward is being used as a disposal center for rock and earth being removed in the grading of Interstate Highway 80 along the southshore cliff.

1 photographic prints : Shown in the lower part of the picture is the 15-acre newly prepared business section created by the artificial fill to an elevation above the reservoir. The buildings in the center of the picture are not scheduled for demolishing until May 1967; however, access to the present temporary business district will be practically cut off once traffic is diverted across the new Interstate Highway 80 bridge. With creating of the John Day reservoir, the water will inundate the present temporary business section occupied by the buildings, and the new Arlington will be provided with a quay-type waterfront. The huge fill riverward is being used as a disposal center for rock and earth being removed in the grading of Interstate Highway 80 along the southshore cliff.

1 photographic prints : Shown in the lower part of the picture is the 15-acre newly prepared business section created by the artificial fill to an elevation above the reservoir. The buildings in the center of the picture are not scheduled for demolishing until May 1967; however, access to the present temporary business district will be practically cut off once traffic is diverted across the new Interstate Highway 80 bridge. With creating of the John Day reservoir, the water will inundate the present temporary business section occupied by the buildings, and the new Arlington will be provided with a quay-type waterfront. The huge fill riverward is being used as a disposal center for rock and earth being removed in the grading of Interstate Highway 80 along the southshore cliff.

1 photographic prints : In addition to furnishing storage of water for downstream navigation throughout the Boise Valley, Lucky Peak Reservoir creates a recreational area for the entire Boise region. In addition, its novel manifold discharge mechanism below the dam creates an ideal swimming spot for this arid region.

1 photographic prints : The trash and debris are slowly worked towards the disposal tram which carries the debris to high ground for burning. In with this trash are some million or so board feet of commercial saw logs swept downstream when a Clearwater River log boom broke away during high water. The private tug in the picture is attempting to pick out these logs for salvage.

1 photographic prints : Bulldozer jockeys have a special technique for flood fighting. It is a double action procedure of moving their equipment out into the flood stream bed and with the bulldozer blade widening the stream channel, at the same time pushing the blade load into a shore line embankment. Here is shown a bulldozer operation on the Walla Walla River in the Milton-Freewater area during the recent January flood. The channel widening, bank shoring processes can be visualized from the picture.

1 photographic prints : Number three project in the quartet of dams that will eventually harness the Snake River from its confluence with the Columbia to above Lewiston, Idaho, and Clarkston, Washington, reveals several distinct constructional differences from its two sister dams downstream, Lower Monumental and Ice Harbor.

1 photographic prints : In addition to a fleet of trucks, the Guy F. Atkinson Company of San Francisco, California, holder of the first stage construction contract at the U.S. Army, Corps of Engineers' Little Goose Lock and Dam site, has assigned two work barges with tugs. The fabrication of the cofferdam cells riverward from the work area behind which the Little Goose Dam will be constructed, is being carried on the high ground of what was once Little Goose Island. The barges and tugs are necessary to transport equipment from the south shore to Little Goose Island, where the cofferdam cell fabrication is under way. With completion of the cells, the Snake River will be diverted by an earthen embankment towards the north shore, where an excavated diversion channel has been created.

1 photographic prints : Lower Granite Dam is number four in the quartet of multipurpose projects that will harness the Snake River from its confluence with the Columbia upstream to above Lewiston, Idaho and Clarkston, Washington. The navigation lock at Lower Granite Dam will be almost to the center of the upstream forebay, with the eight spillway bays to the right joining the six-unit powerhouse against the South Shore. The navigation lock will utilize a leaf-type gate similar to the one now in operation at McNary Dam. One of the most distinctive design differences it that Lower Granite, like Little Goose, will have only one fish ladder, and that on the South Shore between the South Shore abutment and the powerhouse. Both shores, however, will have a fish entrance channel with attraction water. The North Shore attraction water will pass by tunnel beneath the spillway bays in a channel that will carry on past the tailrace to the South Shore fish ladder approach.

1 photographic prints : The project was authorized by the Congressional Flood Control Act of 1962. The dam, at river mile 146.5 above the mouth of the Snake River, will consist of a spillway, powerhouse, non-overflow dam sections, facilities for passage of anadromous fish, and provision for future installation of a navigation lock. The over-all length for the combined structures will be about 2,800 feet. Hydraulic height will be 104.5 feet. The Asotin powerhouse provides for four generating units of 135,000 kilowatts each for a total capacity of 540,000 kilowatts. Initial power installation will consist of two generating units with a total capacity of 270,000 kilowatts and space provided for future installation of two additional units of the same size. The reservoir created by Asotin Dam will have a surface area of about 4,200 acres and will provide significant recreational activities. If warranted by potential traffic in the future, a navigation lock can be added, and its operation would extend the Lower Snake River slack-water navigation an additional 26 miles upstream from Lewiston, Idaho to above the mouth of the Grande Ronde River.