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Seattle Municipal Archives Finding Aids

Diablo Dam

 Subject

Staff Only
Subject Source: Local sources

Found in 12 Collections and/or Records:

City Light Advertising Materials

 Series
Identifier: 1210-01
Scope and Contents note

Correspondence, reports, articles, pamphlets, newspaper clippings, and advertisements relating to the Skagit River, power rates, and City Light advertisements.

Dates: 1939-1995
Found in: Seattle Municipal Archives

City Light Negatives

 Series — Multiple Containers
Identifier: 1204-01
Scope and Contents note Both color and black and white photographic negatives documenting the development of Seattle’s public electric utility, including dam construction, water main installation, and facilities. Includes photos of dam construction in the Cedar River Watershed and the Skagit, and the Boundary Project; transmission lines and substations; City Light facilities, and employees. Subseries of images relate to Boundary Dam, Gorge High Dam, and Ross Dam. Other generating facilities depicted are Cedar...
Dates: 1914-1995
Found in: Seattle Municipal Archives

City Light News Clippings Scrapbooks

 Series — Multiple Containers
Identifier: 1201-04
Scope and Contents note These scrapbooks are a collection of newspaper clippings in date order about Seattle City Light as well as national and international news regarding hydroelectric power and electricity. Some repeated topics include: City Light rates, wages, Works Progress Administration funding, advertisements, the proposed consolidation of City Light and Puget Sound Power and Light, promotions, retirements, and the Skagit River Project. Volume 1 contains clippings from 1935 to 1936. Volume 2 contains...
Dates: 1924-1970; 1935-1949
Found in: Seattle Municipal Archives

City Light Photographic Prints

 Series — Multiple Containers
Identifier: 1204-02
Scope and Contents note

This series is comprised of prints and represents a small portion of the work done by Seattle City Light to electrify Seattle. One hundred and twenty-three prints are available for download on our digital platform; this includes 54 Real Estate Services photos of identified addresses. For a comprehensive look at the work of Seattle City Light, see the SCL negative collection (1204-01).

Dates: 1914 - 1995
Found in: Seattle Municipal Archives

City Light Power Development Data

 Series
Identifier: 1206-03
Scope and Contents note

Charts, figures, statistics, performance curves, schematics, diagrams, cost estimates, computations, graphs, property agreements, and reservoir capacity figures on the Skagit River Power Development Project and the Cedar Falls Power Plant. Includes data for the Gorge Powerhouse and Diablo Dam.

Dates: 1909-1940
Found in: Seattle Municipal Archives

City Light Slide Collection

 Series — Multiple Containers
Identifier: 1204-04
Abstract

Slides documenting the development of City Light's public power facilities including dams, power houses, transmission lines, substations, and methods of wiring.

Dates: 1890-2000
Found in: Seattle Municipal Archives

City Light Newhalem and Diablo Dams Construction Photograph Albums

 Series — Multiple Containers
Identifier: 1204-10
Abstract

Photograph albums, 1919-1936, illustrating the planning and construction of Gorge and Diablo Dams and their respective power houses on the Skagit River.

Dates: 1919-1936
Found in: Seattle Municipal Archives

City Light Glass Lantern Slides

 Series — Multiple Containers
Identifier: 1204-03
Abstract

Slides related to the development of public power in Seattle.

Dates: 1903-1945
Found in: Seattle Municipal Archives

City Light Skagit Hydroelectric Project Records

 Series
Identifier: 1206-12
Abstract

Records of Seattle City Light's hydroelectric projects on the Skagit River

Dates: 1908-1975; 1921-1957
Found in: Seattle Municipal Archives

Seattle Lighting Department Records (Series I)

 Series
Identifier: 1200-01
Abstract

Seattle City Light agency history, including files from longtime superintendent J.D. Ross.

Dates: 1902-1960
Found in: Seattle Municipal Archives

Skagit Project Scrapbooks

 Series — Box 1
Identifier: 1208-05
Scope and Contents note These scrapbooks are a collection of newspaper clippings from daily newspapers, as well as engineering and construction journals, regarding the Skagit River dam projects. They were compiled by William B. Wolfendale, the principal engineer for City Light on the dam projects. The articles are primarily about construction progress and issues, including some technical articles. Repeated topics include: Diablo Dam, Ross Dam, dam designer John Savage, Yangtze River dam, and Wolfendale's retirement...
Dates: 1929-1952; Majority of material found within 1936-1948
Found in: Seattle Municipal Archives

Skagit Static (Newsletter)

 Series — Box 1
Identifier: 1208-02
Scope and Contents note

Weekly newsletter serving personnel and their families at Diablo and Newhalem. Includes news of social activities, school sports and activities, cultural events, and items related to the comings and goings of employees and their families.

Dates: 1946-1951
Found in: Seattle Municipal Archives

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