Big Bear Valley Dam, San Bernardino County, Calif. 1910-1911; and Big Bear Valley Dam Highway. 1924.

Woodward Reservoir Dam (Bear River Dam) proposed design : contract (South San Joaquin Irrigation District), specifications, notes, and computations. 1913.

Eastwood multiple-arch dam and concrete pipe : reports, maps, tables and photographs on design and construction 1911-1922

Miscellaneous correspondence relating to various arch dam construction projects 1907-1924

Project on Two States Irrigation and Power Co., located in Wyoming and Utah 1913

San Elijo Dam, built for San Dieguito Mutual Water Co. : data, correspondence and blueprints on the design and construction 1917- 1922

Malad River Dam, built for the Malad Reservoir Co., Malad, Idaho : reports, correspondence, maps, tables 1915-1917

Yuba Dam, built for the Brandy City Mining Co., San Francisco, on the North Fork of the Yuba River, Calif. : notes, calculations, maps, plans, specifications 1914

Anyox Dam, built by Granby Consolidated Mining, Smelting Power Co., Ltd. on Falls Creek, British Columbia : reports, correspondence, calculations, maps 1921-1923

Sheep Rocks Dam, Pitt River Project, Shasta County : reports, correspondence, maps, plans, estimates, etc 1919-1920

Field notebooks for various water resources development projects 1884-1920

Hume Lake Dam, on Ten-Mile Creek near Fresno, Calif. : general specifications 1907-1913

Argonaut Debris Dam, built for Argonaut Mining Co. in Amador County, Calif. : reports, calculations, news clippings 1915-1916

Kennedy Debris Dam extension, for the Kennedy Mining and Milling Co., Jackson, Amador County, Calif. : description and specifications 1914- 1916

Carey Valley Dam, built by Atlas Development Co. on Fish Creek near Carey, Blaine County, Idaho : estimates, blueprints, specifications, correspondence, maps, calculations 1916-1919

Mountain Dell Dam, built by Salt Lake City Water Supply Co. on Parley's Canyon River, Utah : correspondence, reports, calculations 1915- 1917

Kaweah Dam, Calif., for Northern California Power Co. : correspondence, calculations, maps. 1903-1919.

Big Meadows Dam, built for Great Western Power Co. on North Fork of the Feather River, Calif. : correspondence, calculations, estimates, reports, maps, blueprints 1910-1913

White Salmon Dam, near Portland, Northwestern Electric Co.'s proposed dam on the White Salmon River, Or. : correspondence, calculations, maps 1911-1912

Mormon Flat Dam, proposed by Salt River Valley Water Users' Association for Salt River, Ariz. : correspondence, estimates, news clippings, maps 1923

Big Creek Dams, built by Pacific Light and Power Corp. for power development on Big Creek, Calif. : correspondence, calculations, reports, profiles 1911- 1917

Chowchilla Dam (proposed), south of Bailey Flats for irrigation of 20,000-acre tract 1.5 miles from Sharon, Calif. : correspondence, calculations, topographic maps. 1917-1918.

Los Verjels Dam, near Chico, built for Los Verjels Land and Water Co. on Dry Creek, Calif. (created Lake Mildred) : correspondence and calculations 1913- 1915

Smith Ferry Dam (proposed) for the Reedsport Co., on the Umpqua River, Or. : correspondence, calculations, maps 1914

Grizzly Creek Dam (proposed) for Grizzly Creek Ice Co., Reno, Nev. : reports, correspondence, calculations, maps 1914

Birch Creek Dam (proposed), near Dupayer, Mont. : reports, correspondence, maps 1912

Proposed multiple arched steel-concrete dams for the Alfred Davis Reservoir, Turlock Irrigation District : reports and notes 1913

Diamond Creek Dam (proposed) : report and calculations 1923

Balojaque Dam, Mexico : correspondence, drawings, topographic maps 1922

Lost Creek Reservoir and Slate Creek Dam, South Feather Land and Water Co.'s plan of proposed dam and reservoir : correspondence and maps 1914

Lake Hodges Dam (formerly Carroll Dam), near Escondido, Calif., for San Dieguito Mutual Water Co. : specifications, correspondence, data, maps and graphs. 1916-1922.

Baxter Creek Dam, Calif. : computation on proposed dam 1917

Lake Hemet Dam extension (proposed) : computation 1917

Clearwater River Dam (proposed), Idaho : correspondence and computations 1914-1917

Barbaracomaria Reservoir. 1912.

Twin Lakes Reservoir (proposed dam), Big Cottonwood Canyon, Idaho : correspondence, figures, maps 1915

Bluewater Dam (proposed), by Toltec Irrigation District, Toltec, Mexico : correspondence, figures, report. 1923.

Loon Lake Dam (proposed), Or. : correspondence, figures, maps 1916

Eldorado Dam (proposed), Calif. : map and figures 1920

Alpine Dam (proposed), Calif. : figures, graphs 1916

Tujunga Dam (proposed, Calif. : correspondence, map, figures. 1916.

San Lorenzo Creek Dam (proposed), Calif. : specifications, correspondence, maps 1916

Proposed dam to R. W. Hawley 1919

Proposed dam at Lower Strawberry Canyon, South Fork of Stanislaus River, Calif 1912

Stene Project, Williams River, western Arizona 1922- 1924

Asotin Creek Dam, Wash 1917

Gibralter Dam (proposed), Butte County, Calif. 1905.

Correspondence, maps, figures on proposed arch dams in California 1913- 1917

Little Rock Creek Dam, Calif., for Palmdale Irrigation District and Littlerock Irrigation District : correspondence, computations, maps, reports 1918- 1924

Cave Creek Dam, Ariz., for Salt River Valley Water Users' Association : correspondence, calculations, news clippings, blueprints, maps 1922- 1923

Topa Topa Dam and Reservoir (proposed) : reports, correspondence, maps, tables 1923-1924

Sespe Light and Power Company : hydroelectric power development on Sespe Creek and Piru Creek, Ventura and Los Angeles counties 1918

Correspondence, estimates, reports, etc.

Data, graphs, etc.

Photographs of Hammel, Brain, Piru, Eldorado, and Murray dam sites, Sespe Creek and Piru Creek, Calif.

Maps and general blueprints.

Brain Dam site, Sespe Creek, Calif.

Projects built for Sespe Light Power Co. on Piru Creek, Calif. : Bent Dam site, Junction Dam site, Los Alamos Dam site, Spring Creek Dam site, Upper Piru Dam site.

Buren Dam site, Sespe Creek, Calif.

Hammel Dam site, Sespe Creek, Calif.

Kellerman Dam site, Sespe Creek, Calif.

Big Meadows Dam, Feather River, Calif. : computations.

Bradfield Dam site, Sespe Creek, Calif.

Buck Creek Dam site, Piru Creek, Calif.

San Joaquin River Diversion Dam, for the San Joaquin Light and Power Co., Fresno, Calif. : correspondence, maps, computations 1909- 1922

San Joaquin Light and Power Co.'s proposed Wishon Dam : computations and maps 1919-1920

San Joaquin Light and Power Co.'s Kings River power development : tables and maps for Dusy, Cliff, and Coolidge Reservoirs 1919

San Dieguito Dam, near Del Mar, Calif., built for San Dieguito Mutual Water Co. : blueprints, computations, correspondence, specifications, maps 1916- 1918

San Diego River development : correspondence, news clippings, maps, notes, blueprints 1917-1923

Barrett Dam site : computations for multiple-arch dam on Cottonwood Creek, San Diego County, Calif 1916-1919

Murray Dam : specifications, contract, maps, correspondence with Cuyamaca Water Co 1917

Sutherland Dam on Santa Ysabel Creek, proposed for Volcan Land and Water Co. : computations and maps 1915-1917

Pamo Reservoir : computations and maps for the Volcan Land and Water Co 1917

Warner Dam, near San Diego, Calif. : computations, correspondence, maps and report 1912-1921

Lower Otay Dam (Savage Dam) and Sweetwater Dam, Calif. : computations, correspondence 1916-1917

Proposed dam sites in San Diego County and other sites in California 1916- 1918

Exchequer Dam, near Merced, Calif. : specifications, drawings, maps 1922-1923

Specifications for the works of the Sunset Irrigation District, near Fresno, Calif 1893

Welch, Marguerite Eastwood 1969

Whitney, Charles A. 1969

Eastwood's report Mammoth Power Company : engineers report to the Board of Directors of the Mammoth Power Company 1901

Whitney, Charles A.

Jackson, Donald C.

Welch, Marguerite Eastwood