Browse by Archive
Washington State University Libraries
|
Notice that sections of the cross-river cofferdams are left out to permit the river to flow in its usual channel while the anchor or key cribs are sunk in their proper positions. On Dec. 09, 1936 the last cribs were in position and within 30 hours...
1936-12-09
2024-11-24 |
|
A diver about to make a descent to the river bottom on exploratory work. In the late summer of 1943 Colin O'Donnell, a U.S.B.R. diver, descended 274 feet in the forebay of Grand Coulee Dam, for the purpose of removing an obstruction from one of...
2024-11-24
2024-11-24 |
|
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...
2024-11-24
2024-11-24 |
|
This is the start of the downstream arm of the crossriver cofferdam projecting from the east shore. A power barge is maneuvering two timber cribs into position preparatory to sinking. In the background is the first east side cofferdam,...
2024-11-24
|
|
Here is shown the removal of the downstream section of the west cofferdam below the now-completed block 40. This will permit the river to flow thru the completed section of the dam off to the right, and enter its old channel to the left. The...
2024-11-24
|
|
After completion of the cross-river cofferdams the enclosed water will be pumped out, and construction of the east end of the dam continued out until it meets block 40 just upstream to the right of the conveyor suspension bridge tower. The...
2024-11-24
|
|
Here the river has been blocked off by the downstream arm of the crossriver cofferdam, forcing it to flow thru the new channel on the west side of block 40. The upstream arm of the cofferdam is about to be closed, after which the enclosed area...
2024-11-24
|
|
Pulling the interlocking steel sheet piling of the cofferdams and piers was accomplished with these power clamps operated by steam hoists on derrick barges. In construction of the steel cofferdams it was estimated that steam hammers weighing up to...
1937-03-15
2024-11-24 |
|
This is excavation of the block 40 pit as it appeared in December of 1935. After the material was all removed beneath the wooden trusses, the huge block of concrete was poured in the usual manner, and the shelf of dirt, left on this side of it to...
2024-11-24
|
|
This shows final clearing of bedrock in the spillway section just east of block 40. Final clearing of bedrock was done by hand, removing all loose and "drum" rock to provide a clean, firm footing for the dam. Rock excavation for the foundation of...
2024-11-24
|
|
Laying the rails of the construction railroad in the Grand Coulee just south of Eagle Rock. Upon completion of the railway in June of 1935, the contractor, David H. Ryan, received $269,533.97 for his work. On Oct. 01, 1934 the MWAK Co. let a...
2024-11-24
|
|
Here operations are just starting at the site of the combination vehicle and railroad bridge across the Columbia about a mile downstream from the dam.
2024-11-24
|
|
By February of 1935 construction was well along. Note the absence of snow at this time.
1935-02-01
2024-11-24 |
|
The structure now stands completed except for the railroad tracks. The contractor built this bridge at his own expense intending to bring equipment and material directly to the shop area on the east side, but movement of the far (east) bank...
2024-11-24
|
|
By the spring of 1943 the floor of the structure had become unsafe for further use, and being no longer necessary for trucking operations, the U.S.B.R. began to dismantle it. During the fall of 1946 the U.S.B.R. removed the center pier, leaving...
2024-11-24
2024-11-24 |
|
Much material was salvaged for use in various ways about the project. In the spring of 1945 a concrete barge ramp was constructed in the area once occupied by the east approach, and later a barge basin was built a bit farther downstream.
2024-11-24
2024-11-24 |
|
I have chosen this as a character portrait exemplifying the typical "construction stiff" of Grand Coulee Dam." These construction men, rough and hearty, with toil-seamed faces and calloused hands, are the colorful characters of this era.
2024-11-24
|
|
President Franklin Delano Roosevelt being shown the points of interest by Mr. F. A. Banks, Construction Engineer, U.S. Bureau of Reclamation, on the occasion of the President's second visit to Grand Coulee Dam, on Oct. 2, 1937. At that time the...
1937-10-02
2024-11-24 |
|
Blasting along the cliffs on the west side in preparation for relocating the highway above the west abutment of the dam.
2024-11-24
|
|
Selected material from volume one of: "A History of the Columbia Basin Project: Volume I"
2024-11-24 |
|
Columbia Basin Project Safety News is a monthly publication issued to employees of the Columbia Basin Project informing them of accidents, safety regulations, and day to day activities on the Grand Coulee Dam construction site.
2024-05-24
2024-11-24 |
|
Columbia Basin Project Safety News is a monthly publication issued to employees of the Columbia Basin Project informing them of accidents, safety regulations, and day to day activities on the Grand Coulee Dam construction site.
2024-02-24
2024-11-24 |
|
Columbia Basin Project Safety News is a monthly publication issued to employees of the Columbia Basin Project informing them of accidents, safety regulations, and day to day activities on the Grand Coulee Dam construction site.
2024-12-24
2024-11-24 |
|
A view of the Brett Gravel Pit in September of 1936 showing the operation of the extensible lateral conveyor belt feeders. The main conveyor belt dumped the material into the raw aggregate stock pile from where another belt carried it into the...
1936-09-01
2024-11-24 |
|
A part of the Brett Gravel Pit as it appeared in April of 1940. Buggies, drawn by tractors are supplementing the lateral conveyors in moving material to the main belt which is seen here discharging into the raw stockpile. About 75% of the gravel...
1940-04-01
2024-11-24 |
