Tight fit between Stator and Rotor

A tight fit. The clearance between the huge 25-foot rotors and the stators of the two 75,000-kilowatt Shasta Dam generators, being installed at Grand Coulee Dam to make additional power available for war industries, is only 5/8 inch. In lowering...

1942-11-28
2024-04-18

Flame Cleaning Spillway Drum Gates

"Flame-cleaning" the exterior of a spillway drum gate, preparatory to the application of four coats of paint. Eighteen acres of metal surface stared welders in the face when they recently began cleaning the interiors and exteriors of the 11 giant...

1941-04-21
2024-04-18

Aerial View of West Side Cofferdam

Preparing for block 40 inside west cofferdam.

1935-11-01
2024-04-18

Construction of West Cofferdam

Starting a new steel cell in west cofferdam.

1935-02-02
2024-04-18

Winter at Grand Coulee Dam Construction Site

Winter scene at the dam site, looking northeast.

1936-02-26
2024-04-18

Construction of West Cofferdam

Excavating for block 40 behind section "E" of west cofferdam.

1935-09-26
2024-04-18

Long View of Grand Coulee Dam Foundation in March, 1938

Grand Coulee Dam at the close of the M.W.A.K. Company Contract. The construction trestle at elevation 1024 tops concrete which had been poured to a maximum elevation of 1010 in the abutment sections and to elevation 945 in the spillway section...

1938-03-08
2024-04-18

General Upstream View of the Dam Overlooking the Parking Area

General view of upstream face of Grand Coulee Dam, looking westerly from point above right abutment parking area. River elevation as follows: upstream, 1256.6; downstream 945.08.

1941-10-29
2024-04-18

M.W.A.K. Columbian (Safety News letter); Volume Three Number Fourteen

Third Volume, Fourteenth issue, of the Mason-Walsh-Atkinson-Kier CO. builders of Coulee Dam Safety Newsletter. Created by the Safety Department and issued to the residents of Mason City and contract workers at Grand Coulee Dam.

2024-04-18
2024-04-18

M.W.A.K. Columbian (Safety News letter); Volume Three Number Ten

Third Volume, Tenth issue, of the Mason-Walsh-Atkinson-Kier CO. builders of Coulee Dam Safety Newsletter. Created by the Safety Department and issued to the residents of Mason City and contract workers at Grand Coulee Dam.

2024-04-18
2024-04-18

Schematic of Foundation Grouting for Grand Coulee Dam

Department of the Interior: Bureau of Reclamation Columbia Basin Project - Washington: Grand Coulee Dam Foundation Grouting Sections

1935-07-15
2024-04-18

First Water Over Grand Coulee

First water over Grand Coulee, in June 1940, made this picture of a man-made waterfall, 183 ft. higher than Niagara. Already generating power, the dam will pump water onto 1,200,000 arid acres in the Grand Coulee, 280 ft. above dam at the right.

1940-06-01
2024-04-18

Schematic of Foundation Grouting for Grand Coulee Dam

Department of the Interior: Bureau of Reclamation Columbia Basin Project - Washington: Grand Coulee Dam Foundation Grouting Plan and Elevation

1935-07-15
2024-04-18

Drawing of Elevation of Three Room Worker Housing-Type 1-

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Three Room Residence Type 1 Elevations

1934-05-29
2024-04-18

Floor Plan for Three Room Residence at Dam Work Site-Type 1-

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Three Room Residence Type 1 Floor Plan & Sections

1934-05-29
2024-04-18

Excavation Plan for Grand Coulee Pumping Plant

Department of the Interior: Bureau of Reclamation Columbia Basin Project - Washington: Grand Coulee Pumping Plant General Plan

1935-10-14
2024-04-18

Plot Plan for Government Grade School at Grand Coulee Dam Work Camp

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Grade School Plot Plan

1934-08-06
2024-04-18

Graph of Area, Capacity, and Discharge Curves

Department of the Interior. Bureau of Reclamation. Columbia Basin Project--Washington. Grand Coulee Dam Area, Capacity, and Discharge Curves

1934-04-16
2024-04-18

Topographic Model of Columbia River and Grand Coulee Dam

A model of the completed Grand Coulee Dam is placed on the bedrock by the lecturer at the Government's free grandstand and vista house.

2024-04-18
2024-04-18

Drainage Gallery

Looking toward west side of block 40. Drainage and grouting gallery at elevation 880, and the 900 elevation galleries, bents for "1024" trestle to the left, and tie-in to cell in cluster "D" of west cofferdam.

1936-08-28
2024-04-18

Pouring Gallery Form

Block 11-A showing section of 900 elevation gallery form, and in lower right a portion of grouting and drainage gallery. Upright pipes in block are 5-inch porous drain pipes.

1936-07-13
2024-04-18

Penstock Molds

Forms and steel for 24-foot octagonal block-outs for 18-foot diameter steel penstocks in left power house. Low placing trestle (950 elev. in upper left.

1936-07-06
2024-04-18

East Powerhouse Substructure

East end of dam, and high and low trestles. Reinforcing for penstock blackouts. East power house substructure in foreground.

1937-07-09
2024-04-18

Cement Placement

Vibrating concrete in east training wall, using Jackson 2-man machines operating at 4,800 r.p.m. 145 volts.

1936-05-19
2024-04-18

Guide to the Wesley A. D'Ewart Papers 1936-1973

The Wesley A. D'Ewart Collection contains campaign materials, speeches and writings, correspondence, and research materials accumulated by Mr. D'Ewart. Subjects include campaign materials and election returns pertaining to the...