Battery of Grout Pumps

This is a battery of grout pumps working outside during the spring of 1939. Grout is a very thin mixture of neat cement and water. It is forced under great pressure into other intersticed rock crevices and seams thru grout holes drilled into the...

2024-11-22

Railroad Relocation Map

United States Department of the Interior Bureau of Reclamation Columbia Basin Project - Washington Relocation Great Northern Railway Kettle Falls to Williams Kettle Falls to Boyds ; Location Map

1940-04-16
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Turbine Pits

Looking east over the left power house turbine pits at the beginning of 1939. The transformer structure has been completed, and the contractor has built a construction deck thereon. Three gantry cranes were erected on this deck to continue...

1939-01-01
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Gravel Wash

Hydraulic jets wash the gravel as it is screened into the proper sizes at the aggregate processing plant. On several occasions the plant processed material at the rate of 4,.000 tons per hour.

1939-11-03
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Underwater Construction Diver

A diver descending for underwater work in removal of the cross-river cofferdams.

1938-01-07
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East Side Highway Pier Two Modification

Caisson around highway bridge pier No. 2 during repairs and enlargement.

1936-01-20
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Graving Dock Bottom

In the bottom of the caisson graving dock a concrete floor slab 16 feet thick was poured on a cobble fill. The drain pipe rising in the center leads to the pump sump on the far side.

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Bedrock Below Highway Bridge

This scene shows the final clearing of bedrock inside the caisson pier of pier #2 on the highway bridge.

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Upstream Arm of Cross-River Cofferdam

This is the beginning of the upstream arm of the crossriver cofferdam during the winter of 1936. It is projecting from the east bank of the river toward the steel cells of the west cofferdam. The wooden cribs were constructed on the river bank...

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Excavation and Cofferdam Construction

Here the excavation has progressed considerably. Trucks on the Westside have been supplanted by the $75,000 conveyor belt system to Rattlesnake Canyon, except in the area of the west slides, which can be seen in the extreme right of the picture....

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Installation of Skipway Trestle Flooring

Flooring being placed on the deck of the skipway trestle by means of which concrete buckets were lowered from the mixing plant to cranes on the east powerhouse.

1942-02-23
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Columbia Basin Project History; Text of Volume III (1935)

Entire text portion of Columbia Basin History Project, vol. III documenting the construction of the Grand Coulee Dam.

2024-11-22
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General Map of Columbia Basin Project

Department of the Interior. Bureau of Reclamation. Columbia Basin Project--Washington. Denver, CO. Original Jan 2, 1932; Revised November 16, 1934.Drawn C.A.M.-C.B.G.

1934-11-19
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Site preparation--removal of overburden

Before designs for the structure could be completed contract for the removal of two million yards of overburden was let to David H. Ryan. A slide along the left bank increased the amount of material to be handled to three million yards. Grand...

1933-12-14

Riverbanks and slope protection--ferry used to transport riprap and armor rock

Photograph of the cross-river ferry taken from the left side ramp. Detail of the 4-drum hoist and the cables required to maneuver the ferry may be noted. This ferry is being used to carry some 350,000 tons of riprap and armor rock from the Bull...

1950-09-12

Columbia Basin Project History; Text of Volume II (1934)

Entire text portion of Columbia Basin History Project, Vol. II documenting the construction of the Grand Coulee Dam.

2024-11-22
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President Franklin D. Roosevelt's visit to the Grand Coulee Dam construction site,...

Album leaf 165: Presidential (F.D.R.) visit, 10/2/37

PH Coll 238.165

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Ceremony for the first water delivery from the Grand Coulee Dam for the irrigation of...

Young women (seated to the right) participated in the cermony by pouring ceremonial water from 48 states into the feed canal.

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Evacuating behind West cofferdam, August, 1935

Note on album leaf: Evacuating behind West cofferdam. August, 1935

PH Coll 239.17

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Equipment failures--damaged thrust bearing show

Unit L-7 thrust bearing shoe Y-3, position No. 3, photographed after failing on June 30th, 1948, after 5,353 hours of service. Grand Coulee Power Plant, Columbia Basin Project, Coulee Dam, Washington

1948-07-01

Installation of turbines and generators--workers install scrollcase

Bureau workmen Stretching bolts on scroll case in east powerhouse at Grand Coulee Dam, Left to right; Walt Scott and Robert Bush

1950-11-09

Equipment for construction, transportation, and maintenance--vertical lift hoist

Columbia Basin Project, Grand Coulee Dam. A view of the vertical lift hoist, block 10, with cable trays on either side and transit conduit in the background

1941-08-26

Ceremony for the first water delivery from the Grand Coulee Dam for the irrigation of...

2024-11-22

Government Camp: Administration Building

Administration building under construction - Government Camp

1935-03-29
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Columbia Basin Project History; Text of Volume I (1933)

Entire text portion of Columbia Basin History Project, vol. 1 documenting the construction of the Grand Coulee Dam.

2024-11-22
2024-11-22