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Ryan Dam (Cascade County, Mont.)

 Subject
Subject Source: Library of Congress Subject Headings

Found in 3 Collections and/or Records:

Montana Power Company Predecessor Company records

 Collection
Identifier: MC-268
Abstract

Records (circa 1880-1947) of Montana Power Company predecessor companies consist of correspondence, financial records, legal documents, and minutes of many electric power, light, water, street railway, townsite, realty, and land companies around Western and Central Montana.

Dates: 1880-1947

United States Federal Power Commission Records

 Collection
Identifier: MC-13
Abstract

These U.S. Federal Power Commission records consist of hearing materials in a case involving the failure of the Montana Power Company to apply for a license to operate its hydroelectric dams on the Missouri River and tributaries. Exhibits in the case (including steamboat logs, diaries, articles, clippings, etc.) sought to document whether the Missouri River was navigable above Fort Benton. [FPC Docket #IT-5840.]

Dates: 1821-1950

Volta and Thompson Falls Dams photograph album

 Item
Identifier: PAc 2018-30
Content Description One black cloth photograph album with 98 black paper pages containing 198 black and white photographic prints. The album likely belonged to a member of the crew that built the Volta Dam (now Ryan Dam) on the Missouri River and the photographs document several construction projects as well as family activities. Includes views of construction of the Volta Dam (now Ryan Dam) on the Great Falls of the Missouri River and its powerhouse, as well as views of the Thompson Falls Dam and powerhouse. ...
Dates: 1912 - 1921