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A.B. Cobb & Company records, 1915-1959

Overview of the Collection

Creator
A.B. Cobb & Company
Title
A.B. Cobb & Company records
Dates
1915-1959 (inclusive)
Quantity
11.60 cubic feet (15 boxes)
Collection Number
02046
Summary
Correspondence, business records, and other materials of a group of family-owned oil drilling, refining, and service station businesses in Montana.
Repository
American Heritage Center, University of Wyoming
American Heritage Center
University of Wyoming
1000 E. University Ave.
Dept. 3924
Laramie, WY
82071
Telephone: 3077663756
ahcref@uwyo.edu
Access Restrictions
Access Restrictions

There are no access restrictions on the materials for research purposes, and the collection is open to the public.

Languages
English
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Historical Note

A.B. Cobb & Company was founded by A.B. Cobb, his wife Mary L. Cobb, and C.W. Jeffrey in Great Falls, Montana in 1933. Cobb & Company operated oil well drilling in the Cut Bank, Kevin-Sunburst and Pondera oil fields of Montana. Cobb & Company also owned Home Oil and Refining Company of Great Falls, Montana and held interest in Hardrock Oil Company. Cobb & Company and Home Oil and Refining were sold in 1947 to Wasatch Oil Company and Ada Oil Company. At the time of the sale, Home Oil was the largest independantly owned plant in Montana. Included in the sale were forty-three service stations, two hundred producing oil and gas wells, and a 2,500 barrels per-day gas refinery.

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Content Description

Collection contains correspondence regarding the sale of stock and oil leases (1933-1959); legal agreements for oil and gas leases and mineral rights; maps of the Cut Bank, Kevin-Sunburst and Pondera oil fields in Montana; 5 general journals and several audits and reports of Cobb & Company (1936-1949); a scrapbook including photographs of service and gas stations that Cobb & Company held interest in; and miscellaneous financial papers relating to the Hardrock Oil Company and other enterprises.

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Use of the Collection

Restrictions on Use

Copyright Information

The researcher assumes full responsibility for observing all copyright, property, and libel laws as they apply.

Preferred Citation

Preferred Citation

Item Description, Box Number, Folder Number, Collection Name, Collection Number, American Heritage Center, University of Wyoming.

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Administrative Information

Related Materials

Related Materials

There are no known other archival collections created by A.B. Cobb & Company at the date of processing.

Acquisition Information

Acquisition Information

The A.B. Cob & Company records were given to the American Heritage Center by A.B. Cobb Jr. in 1966.

Processing Note

Processing Information

The collection was processed by Jennifer Williams in September 1998. The collection was updated and the finding aid encoded by D. Claudia Thompson in January 2020.

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Detailed Description of the Collection

Container List

  • Series I. Correspondence

    Arranged chronologically. Correspondence from and to Cobb’s companies.

  • Series II. Legal Papers

    Arranged alphabetically. Legal documents pertaining to the business of Cobb’s companies and partners.

  • Series III. Company Papers

    Arranged Alphabetically. Reports, financial statements, audit reports and other company records from various companies. Includes A. B. Cobb Company, Cobb-Hardrock Joint Venture, Home Oil and Refining Company, Idaho Refining Company, Mountain States Drilling Company, Newton Oil Company, Oriental Oil Refining Company, Phillips Petroleum Company, W. E. Rice Pipe Line Company, Taylor Oil Company, and Texas Company.

    • Description: Calmont Oils Limited - Petroleum Production Prospects High River-Nanton Area
      Dates: 1949
      Container: Box 3
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Audit Reports
      Dates: 1942-1951
      Container: Box 3
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Appraisals and Oil Reserves
      Dates: 1944
      Container: Box 3
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Appraisals and Oil Reserves - Cut Bank Field
      Dates: 1944-1945
      Container: Box 3
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Appraisals and Oil Reserves - Pondera Field
      Dates: 1946
      Container: Box 3
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Balance Sheet
      Dates: 1945
      Container: Box 3
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Charge Accounts
      Dates: 1942-1948
      Container: Box 4
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Evaluation of Holdings - Cut Bank, Pondera, and Kevin-Sunburst Fields
      Dates: 1944
      Container: Box 4
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Evaluation of Oil Producing Properties
      Dates: 1944
      Container: Box 4
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Financial Records
      Dates: 1933-1945
      Container: Box 4
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Financial Report
      Dates: 1941
      Container: Box 4
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Financial Statements
      Dates: 1947
      Container: Box 4
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Internal Revenue Audit
      Dates: 1943-1946
      Container: Box 4
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Report of Special Examination
      Dates: 1947
      Container: Box 4
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Supplemental Report of Special Examination
      Dates: 1947
      Container: Box 4
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Valuation Report - Cut Bank Oil Field
      Dates: 1944
      Container: Box 4
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company - Valuation Report - Kevin-Sunburst Field
      Dates: 1947
      Container: Box 4
      Location: Series III. Company Papers
    • Description: A. B. Cobb And Company and Home Oil and Refining Company - Report on Certain Properties
      Dates: 1946
      Container: Box 4
      Location: Series III. Company Papers
    • Description: Cobb - Hardrock Joint Venture
      Dates: 1945-1947
      Container: Box 5
      Location: Series III. Company Papers
    • Description: Cobb-Hardrock Joint Venture - Audit Reports
      Dates: 1944, 1946
      Container: Box 5
      Location: Series III. Company Papers
    • Description: Cobb-Hardrock Joint Venture - Cash Receipts and Disbursements
      Dates: 1945-1947
      Container: Box 5
      Location: Series III. Company Papers
    • Description: Cobb-Hardrock Joint Venture - Expenses
      Dates: 1947
      Container: Box 5
      Location: Series III. Company Papers
    • Description: Cobb-Hardrock Joint Venture - Report - West Kevin-Sunburst Oil Field
      Dates: 1944
      Container: Box 5
      Location: Series III. Company Papers
    • Description: Cobb-Hardrock Joint Venture - Report - West Kevin-Sunburst Oil Field
      Dates: undated
      Container: Box 5
      Location: Series III. Company Papers
    • Description: Home Oil and Refining Company
      Dates: 1941
      Container: Box 5
      Location: Series III. Company Papers
    • Description: Home Oil and Refining Company - Architectural Drawings
      Dates: 1940
      Container: Box 8, Folder 2
      Location: Series III. Company Papers
    • Description: Home Oil and Refining Company - Audit Reports
      Dates: 1942-1947
      Container: Box 5
      Location: Series III. Company Papers
    • Description: Home Oil and Refining Company - Financial Records
      Dates: 1939-1948
      Container: Box 5
      Location: Series III. Company Papers
    • Description: Home Oil and Refining Company - Financial Report
      Dates: 1939
      Container: Box 5
      Location: Series III. Company Papers
    • Description: Home Oil and Refining Company - Financial Statement
      Dates: 1947
      Container: Box 5
      Location: Series III. Company Papers
    • Description: Home Oil and Refining Company - Report - Cobb Gas Field
      Dates: 1944
      Container: Box 5
      Location: Series III. Company Papers
    • Description: Home Oil and Refining Company - Report of Special Examination
      Dates: 1947
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Home Oil and Refining Company - Schedule of Inventory and Other Adjustments
      Dates: 1941
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Idaho Refining Company - Financial Records
      Dates: 1946-1950
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Mountain States Drilling Company - Billing for Greybull Well #1
      Dates: 1949
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Newton Oil Company - Survey Report - Rangely, Colorado
      Dates: 1945
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Oriental Oil Refining Company - Survey Report - Rangely Colorado
      Dates: undated
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Phillips Petroleum Company - Well Costs
      Dates: 1949
      Container: Box 6
      Location: Series III. Company Papers
    • Description: W. E. Rice Pipe Line Company
      Dates: 1941
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Taylor Oil Company - Annual Report
      Dates: 1941
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Taylor Oil Company - Audit Report
      Dates: 1944-1945
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Taylor Oil Company - Financial Records
      Dates: 1943, 1949
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Taylor Oil Company - Report
      Dates: 1943
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Texas Company - Evaluation Report - Pondera Oil Field
      Dates: 1939
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Texas Company - Well Logs and Production
      Dates: 1943-1947
      Container: Box 6
      Location: Series III. Company Papers
    • Description: Trigood Oil Company - Appraisal
      Dates: 1945
      Container: Box 6
      Location: Series III. Company Papers

  • Series IV. Subject Files

    Arranged alphabetically. Various financial statements of unidentified companies, descriptions of land, newspaper clippings, reserve estimates, memorandums, telephone conversation transcripts, and reports of various oil fields.

  • Series V. Maps

    Arranged alphabetically. Maps of oil fields in Montana and surrounding areas.

    • Description: Baxter Basin, Wyoming
      Dates: 1937
      Container: Box 8, Folder 3
      Location: Series V. Maps
    • Description: Bears Den, Flat Coulee, and Whitlash Districts
      Dates: 1930, 1932
      Container: Box 8, Folder 4
      Location: Series V. Maps
    • Description: Beaver County, Montana
      Dates: undated
      Container: Box 8, Folder 5
      Location: Series V. Maps
    • Description: Blaine County, Montana
      Dates: 1945
      Container: Box 8, Folder 6
      Location: Series V. Maps
    • Description: Byron-Frannie Area
      Dates: 1932, 1938
      Container: Box 8, Folder 7
      Location: Series V. Maps
    • Description: Cat Creek, Montana
      Dates: undated
      Container: Box 8, Folder 8
      Location: Series V. Maps
    • Description: Conrad Butte Structure, Montana
      Dates: 1942
      Container: Box 8, Folder 9
      Location: Series V. Maps
    • Description: Crystal Creek Field, Wyoming
      Dates: undated
      Container: Box 8, Folder 10
      Location: Series V. Maps
    • Description: Cut Bank Field, Montana
      Dates: 1933-1937
      Container: Box 8, Folder 11
      Location: Series V. Maps
    • Description: Dry Creek Dome, Montana
      Dates: undated
      Container: Box 8, Folder 12
      Location: Series V. Maps
    • Description: Elk Basin Field
      Dates: 1939
      Container: Box 8, Folder 13
      Location: Series V. Maps
    • Description: Fiddler Creek Area
      Dates: 1948-1949
      Container: Box 8, Folder 14
      Location: Series V. Maps
    • Description: Formost Anticline, Canada
      Dates: undated
      Container: Box 8, Folder 15
      Location: Series V. Maps
    • Description: Gage Anticline, Montana
      Dates: undated
      Container: Box 8, Folder 16
      Location: Series V. Maps
    • Description: Half Moon Structure, Wyoming
      Dates: 1939
      Container: Box 8, Folder 17
      Location: Series V. Maps
    • Description: Illinois Basin
      Dates: 1937
      Container: Box 8, Folder 18
      Location: Series V. Maps
    • Description: Ingomar Dome
      Dates: 1922
      Container: Box 9, Folder 1
      Location: Series V. Maps
    • Description: Kevin Sunburst Field, Montana
      Dates: 1938, 1948
      Container: Box 9, Folder 2
      Location: Series V. Maps
    • Description: Kolle Area, Texas
      Dates: 1940
      Container: Box 9, Folder 3
      Location: Series V. Maps
    • Description: Leduc Oil Field
      Dates: 1947
      Container: Box 9, Folder 4
      Location: Series V. Maps
    • Description: Logan Mine
      Dates: undated
      Container: Box 9, Folder 5
      Location: Series V. Maps
    • Description: Lost Soldier Field, Wyoming
      Dates: 1948
      Container: Box 9, Folder 6
      Location: Series V. Maps
    • Description: Meagher County, Montana
      Dates: 1921
      Container: Box 9, Folder 7
      Location: Series V. Maps
    • Description: Montana Plains
      Dates: 1935
      Container: Box 9, Folder 7A
      Location: Series V. Maps
    • Description: Oklahoma
      Dates: undated
      Container: Box 9, Folder 8
      Location: Series V. Maps
    • Description: Park County, Wyoming
      Dates: undated
      Container: Box 9, Folder 9
      Location: Series V. Maps
    • Description: Pondera County
      Dates: 1936-1946
      Container: Box 9, Folder 10
      Location: Series V. Maps
    • Description: Ragged Point
      Dates: 1921
      Container: Box 9, Folder 11
      Location: Series V. Maps
    • Description: Ramah-Simla Areas, Colorado
      Dates: undated
      Container: Box 9, Folder 12
      Location: Series V. Maps
    • Description: Red Lake-Cow Springs
      Dates: undated
      Container: Box 9, Folder 13
      Location: Series V. Maps
    • Description: Roosevelt County, Montana
      Dates: 1936
      Container: Box 9, Folder 13A
      Location: Series V. Maps
    • Description: Sheridan County, Wyoming
      Dates: undated
      Container: Box 9, Folder 14
      Location: Series V. Maps
    • Description: Sumatra, Rosebud County, Montana
      Dates: 1935
      Container: Box 9, Folder 15
      Location: Series V. Maps
    • Description: Sunburst, Montana
      Dates: 1939
      Container: Box 9, Folder 16
      Location: Series V. Maps
    • Description: Teton and Pondera Counties, Montana
      Dates: undated
      Container: Box 9, Folder 17
      Location: Series V. Maps
    • Description: Torchlight Dome, Wyoming
      Dates: 1943
      Container: Box 9, Folder 18
      Location: Series V. Maps
    • Description: Triple Creek Structure
      Dates: undated
      Container: Box 9, Folder 18A
      Location: Series V. Maps
    • Description: Unidentified
      Dates: undated
      Container: Box 9, Folder 19
      Location: Series V. Maps
    • Description: Wallace Creek Anticline
      Dates: 1923
      Container: Box 9, Folder 20
      Location: Series V. Maps
    • Description: Washakie County, Wyoming
      Dates: undated
      Container: Box 9, Folder 21
      Location: Series V. Maps
    • Description: Wyoming
      Dates: 1945
      Container: Box 9, Folder 22
      Location: Series V. Maps
    • Description: T. 17, R. 1
      Dates: undated
      Container: Box 9, Folder 23
      Location: Series V. Maps
    • Description: T. 23-24, R. 8 W.
      Dates: undated
      Container: Box 9, Folder 24
      Location: Series V. Maps
    • Description: T. 31-37 N., R. 13 - 23 E.
      Dates: undated
      Container: Box 9, Folder 25
      Location: Series V. Maps
    • Description: T. 35 N., R. 5 W.
      Dates: undated
      Container: Box 9, Folder 26
      Location: Series V. Maps
    • Description: T. 35, R. 110-111
      Dates: undated
      Container: Box 9, Folder 27
      Location: Series V. Maps
    • Description: T. 35-36 N., R. 1-2 E.
      Dates: undated
      Container: Box 9, Folder 28
      Location: Series V. Maps
    • Description: T. 37 N., R. 3-4 W.
      Dates: undated
      Container: Box 9, Folder 29
      Location: Series V. Maps
    • Description: T. 37 N., R. 15 E.
      Dates: undated
      Container: Box 9, Folder 30
      Location: Series V. Maps
    • Description: T. 37-38 N., R. 62-63 W.
      Dates: undated
      Container: Box 9, Folder 31
      Location: Series V. Maps
    • Description: T. 43-44, R. 65-66
      Dates: undated
      Container: Box 9, Folder 32
      Location: Series V. Maps
    • Description: T. 46-48 N., R. 102-103 W.
      Dates: undated
      Container: Box 9, Folder 33
      Location: Series V. Maps

  • Series VI. Ledger Books

    Ledger Books from A. B. Cobb and Company.

  • Series VII. Scrapbook

    Contains photos of various service and gas stations and newspaper clippings of advertisements for the Home Oil and Refining Company.

Names and SubjectsReturn to Top

Subject Terms

  • Mines and mineral resources -- Montana.
  • Petroleum industry and trade -- Montana.
  • Service stations -- Montana.

Geographical Names

  • Cut Bank oil field (Mont.)
  • Kevin Sunburst Oil Field (Mont.)
  • Montana.
  • Pondera oil field (Mont.)

Form or Genre Terms

  • Business records.
  • Maps.
  • Scrapbooks.

Other Creators

  • Corporate Names

    • Hardrock Oil Company.

Processed by Jennifer Williams
2012

CC Attribution
This work is licensed under a Creative Commons Attribution 4.0 International License.

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