Equipment failures--surface vanes of turbine runner l-2

Surface of vanes of turbine runner L-2. This view of the inner surface of the runner vanes shows where the paint has been eroded to bright metal along the trailing edge of the vanes. The bright surfaces had a sand blasted appearance as evidence of...

1942-07-13

The Dalles (1934). Washington 1:125,000 topographic quadrangles

1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1929-1930". "Contour interval 50 feet. Datum is mean sea level." "Edition of 1934". Highway...

2024-04-29

Colorado's Involvement in Westwide Water Planning

Document: Remarks of Honorable Wayne N. Aspinall before the annual meeting of the Colorado State Grange, October 1, 1966, page 13

1966-10-01

Sale of Electric Power : Hearings before the Committee on Irrigation and Reclamation...

2024-04-29
2024-04-29

Installation of turbines and generators--man wipes wicket gates [01]

Wicket gates for L-8 turbine resting on generator deck. Mr. H.R. Ramm, U.S.B.R. cleaning and inspecting shafts

1947-06-28

Employee housing-- 1950 [02]

Telephoto photograph of home and yards in the Airport Addition to Coulee Dam

1950-09-20

Coulee Dam irrigation pumping plant and discharge pipes-- aerial view of Devils Lake

Aerial view looking south over Devils Lake

1941-09-21

Engineer recruitment program--front cover

Front cover of the "Planning your Career" publication

1965-04-29

Site preparation-- excavation operations [01]

General view of excavation operations along bank

1936-11-01

Site preparation-- future site of Grand Coulee [02]

Distance view of the future site of Grand Coulee Dam.

2024-04-29

Site preparation--excavating the bank

View of machinery excavating the bank at the Grand Coulee site

1934-03-02

Coulee Dam irrigation pumping plant and discharge pipes--looking north over pumping plant

Specs # 2329, Contract I2r 18156, Contractor, Morrison-Knudsen Company Inc. and Peter Kiewit Son's Co. View looking north showing progress made on pumping plant including office wing, parking area, gantry crane, and storage building P-9 through...

1950-09-25

Powerhouse construction--pit #7 in West Powerhouse

Looking up from pit #7 in West Powerhouse--natural illumination

1941-02-14

Powerhouse construction--wheelpit R-8

Wheelpit R-8 looking downstream from 965 step. East Powerhouse base.

1940-09-25

Spillway and drum gate construction--outlet works

View of the outlet works near the base of the dam. A man is standing in foreground for scale.

1941-06-26

Spillway and drum gate construction--view of the spillway section [05]

View of the spillway section from the left bank

1941-03-03

Spillway and drum gate construction--drum gate #1 [03]

Drum gate number one

1940-12-05

Spillway and drum gate construction--view of construction on Grand Coulee

View of the construction on Grand Coulee Dam

1940-10-23

Construction of pipelines, syphons and tunnels--view of headworks structure

South Coulee Dam--Main Canal Headworks--A view of the headworks structure taken from approximately station 10+00 on the main canal; the main canal pipe crossing is shown in the immediate foreground

1949-06-08

Installation of turbines and generators--lowering the thrust

Part of the assembly of thrust bearing for generator Shasta L-8 being lowered into position

1943-03-23

Construction of pipelines, syphons and tunnels-- reinforcing steel being palced

Winton-Utah Contract on West Canal under Specs. 1286. This view, looking east, shows (right to left) reinforcing steel being placed for Dry Coulee Siphon No. 1, the two invert forms, which fit inside the steel for placing concrete, and the outside...

1947-06-19

Scale models, testing, and oddities--Grand Coulee [01]

Scale model of Grand Coulee Dam

2024-04-29

Installation of turbines and generators--stator being moved into place

Stator and bracket assembly for main unit L-6, weighing 335 tons, being lifted into its permanent position in bay 6. Two travelling cranes, with a lifting capacity of 375 tons each, are shown carrying the unit from its temporary point of assembly,...

1943-05-22

Installation of turbines and generators--placing the last section of the scroll case

Placing the last section of the scroll case for L-7 turbine.

1947-03-10

Scale models, testing, and oddities--concrete in turbine

96 pound block of concrete found in unit L-4 turbine runner, 3-20-44. The 7/8"" diameter hole in the foreground appears to have been an anchor bolt hole. Rectangular dimensions are 17"" x 11"" while wedge side dimensions are 17"" x 10"" x3""

1944-03-20