Columbia Basin Project, Washington : Hearing before the Committee on Irrigation and...

2024-11-22
2024-11-22

A Study of the Market for Products of the Proposed Columbia Basin Project made by...

2024-11-22
2024-11-22

The Columbia Basin Project Act : Hearings before the Committee on Irrigation and...

2024-11-22
2024-11-22

Water and the West

Document: Water and the West by Senator Henry M. Jackson, November 5, 1965, page 7

1965-11-05

The Columbia Basin Project Act : Hearings before the Committee on Irrigation and...

2024-11-22
2024-11-22

Letter Concerning Qualifications as a Witness

Letter: To Wayne N. Aspinall, from Anthoy Wayne Smith, September 14 1965, (mimeograph), page 6

1965-09-14

General map (1923)

1 map ; negative, 18 x 34 cm. Gravity Project Area, Pumping Project Area, and Boundary of watershed above Albany Falls all marked by differentiated shading Before the arrival to Washington State of the first irrigation projects handled by the...

2024-11-22

Columbia Basin Project Report of Special Commission, August 25, 1925 Board of...

2024-11-22
2024-11-22

The Columbia Basin Project Act : Hearings before the Committee on Irrigation and...

2024-11-22
2024-11-22

Columbia Basin Irrigation Project: State of Washington. A report by George W. Geothals...

2024-11-22
2024-11-22

Prevention of Speculation in Lands of the Columbia Basin Project : Hearing before the...

2024-11-22
2024-11-22

Map showing the line of boundary between the United States & British possessions :...

1 map : hand col. ; 72 x 91 cm. "Bowen & Co. lith, Philada." Relief shown by hachures and spot heights; depths by soundings and gradient tints. Shows four proposed boundaries between the United States and British Columbia introduced to resolve the...

1868-11-22

Engineer recruitment program--rendition of proposed Asotin Dam

Rendition of proposed Asotin dam. For description, please see photo 94-0 39

1964-11-22

Engineer recruitment program--map of authorized and potential projects

A map of authorized and potential projects to be undertaken by the Corps of Engineers.

1960-11-22

Site preparation-- breaking rock [03]

View of men breaking up rock for excavation operations.

2024-11-22

Site preparation-- panoramic view of Grand Coulee site [02]

Panoramic view of the Grand Coulee site. Both banks are visible, as are excavation operations and employee housing.

1935-08-02

Site preparation--excavating the diversion channel

A 5-yard electric shovel and 10-yard buggies working in the diversion channel

1936-08-01

Coulee Dam irrigation pumping plant and discharge pipes-- aerial view of Grand Coulee [02]

An aerial view looking northeast. A general view showing feeder canal, area above feeder canal, and part of town of Grand Coulee. Highest crack in slide area is visible. Feeder canal outline can be seen back to headworks. A view of the area above...

1947-10-21

Coulee Dam irrigation pumping plant and discharge pipes--pump-discharge outlet...

Specifications 2329, Morrison-Knudsen So., Inc. and Peter Kiewit Sons' Company. Progress view showing initial construction on the pump discharge outlet structure. On the right can be seen the completed invert of P-1 and P-2 conduits with the...

1949-06-28

Coulee Dam irrigation pumping plant and discharge pipes--view of dam taken form west bank

View of Grand Coulee from west bank. Cranes visible on bank.

1941-05-09

Powerhouse construction--applying oil

Terrazzo machine man applying linseed oil and turpentine to floor and base of Unit L-1, elevation 991, West Powerhouse. This oil is floated for at least six hours before being removed.

1949-03-25

Powerhouse construction--powerhouse and transformer deck

View of East Powerhouse and transformer deck with outlet tubes in background.

1942-04-28

Spillway and drum gate construction--observation point

View of the dam with newly constructed observation building in the foreground

1941-07-04

Spillway and drum gate construction--upstream view of Grand Coulee [02]

Upstream view of the dam taken from Rattlesnake Peak

1941-04-25

Spillway and drum gate construction--spillway section [02]

Downstream photo of the spillway section at Grand Coulee Dam

1940-12-31