Charles T. Main, Inc. records, 1906-1967
Table of Contents
Overview of the Collection
- Creator
- Charles T. Main, Inc.
- Title
- Charles T. Main, Inc. records
- Dates
- 1906-1967 (inclusive)19061967
1906-1927 (bulk)19061927 - Quantity
- 2.70 cubic feet (6 boxes)
- Collection Number
- 03309
- Summary
- Repository
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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
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Access Restrictions
There are no access restrictions on the materials for research purposes, and the collection is open to the public.
- Languages
- English
Historical Note
Charles T. Main (later Chas. T. Main, Inc.), was an engineering firm headquartered in Boston, Massachusetts. Charles T. Main (1856-1943), founder of the firm, graduated from MIT in 1876. He was employed as a textile engineer from 1879-1892, and in 1893 began his private engineering practice in partnership with F.W. Dean. In 1907, Main and Dean each set up individual engineering firms. The Charles T. Main firm was incorporated in 1926 under the name Chas. T. Main, Inc.
The Western Office of Charles T. Main, located in Great Falls, Montana, was employed by the Montana Power Company and its affiliated companies on several water development projects, beginning in 1909. Henry A. Herrick was the chief engineer of the Western Office until his death in 1917. John D. Ryan was president of Montana Power Company and later Chairman of the Board of Anaconda Copper Mining Company.
Content Description
The collection includes engineering studies, test results, blueprints, correspondence and reports from several of Main's Montana water development projects on the Missouri River (1909-1928), including Great Falls (Great Falls Power Company, 1912-1915), Thompson Falls (Thompson Falls Power Company, 1909-1915), Rainbow Falls (Great Falls Water Power & Townsite Company, 1908-1917), Holter (Montana Power Company, 1910-1918), and Black Eagle (Montana Power Company, 1927-1928). There are also materials on Mesa Power Company's Snake River Development in Idaho (1912-1917); Montana Power Company (1917-1967); Dean & Main (1906); Central Colorado Power Company (1909); Stone & Webster Engineering Corporation (1910-1912); and a few photographs and miscellaneous materials.
Use of the Collection
Restrictions on Use
Copyright InformationThe researcher assumes full responsibility for observing all copyright, property, and libel laws as they apply.
Preferred Citation
Preferred CitationItem Description, Box Number, Folder Number, Collection Name, Collection Number, American Heritage Center, University of Wyoming.
Administrative Information
Return to TopDetailed Description of the Collection
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Untitled
The American Heritage Center is in the process of converting its older container lists to a more accessible format. This link is to an older version of a container list.
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Description: Link to Container List (PDF)
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Names and SubjectsReturn to Top
Subject Terms
- Dams -- Madison River (Mont. and Wyo.)
- Dams -- Missouri River.
- Dams -- Snake River (Wyo.-Wash.)
- Hydraulic engineering -- Colorado.
- Hydraulic engineering -- Idaho.
- Hydraulic engineering -- Montana.
- Water resources development -- Colorado.
- Water resources development -- Idaho.
- Water resources development -- Montana.
- Water-power -- Colorado.
- Water-power -- Idaho.
- Water-power -- Montana.
Personal Names
- Herrick, Henry A.
- Main, Charles T., 1856-1943.
- Ryan, John D., 1864-1933.
Corporate Names
- Black Eagle Development.
- Central Colorado Power Company.
- Dean & Main (Firm)
- Great Falls Development, Inc.
- Great Falls Power Company.
- Great Falls Water Power & Townsite Company.
- Holter Development.
- Mesa Power Company.
- Montana Power Company.
- Rainbow Falls Development.
- Snake River Development.
- Stone and Webster Engineering Corporation.
- Thompson Falls Development.
- Thompson Falls Power Company.
Geographical Names
- Great Falls Dam (Mont.)
- Madison River (Wyo. and Mont.) -- Power utilization.
- Missouri River -- Power utilization.
- Snake River (Wyo.-Wash.) -- Power utilization.
Other Creators
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Corporate Names
- Chas. T. Main, Inc. -- Records.
