Results
1426 - 1450 of 2123 Items << < 53 54 55 56 57 58 59 60 61 62 > >>
1426 - 1450 of 2123 Items << < 53 54 55 56 57 58 59 60 61 62 > >>
|
Looking northeast along high trestle. Center section "E" of steel cofferdam at bottom. Eastmix in upper center. Diverted river at lower portion of picture.
1937-06-28
2024-11-23 |
|
Columbia River flowing through diversion channel, 262,000 c.f.s. high trestle almost completed.
1937-06-23
2024-11-23 |
|
Bridge pier repairs. Inside caisson (interlocking piles) showing top rows of 36-inch I-beam walers and timber bracing.
1936-01-30
2024-11-23 |
|
Aerial view, looking upstream, at west end of dam after diversion.
1905-04-19
2024-11-23 |
|
Catwalk across Columbia River about 1000 feet below dam site. Part of Government Camp in the Distance.
1935-06-21
2024-11-23 |
|
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...
2024-11-23
|
|
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
2024-11-23 |
|
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
2024-11-23 |
|
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
2024-11-23 |
|
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
2024-11-23 |
|
A diver descending for underwater work in removal of the cross-river cofferdams.
1938-01-07
2024-11-23 |
|
Caisson around highway bridge pier No. 2 during repairs and enlargement.
1936-01-20
2024-11-23 |
|
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.
2024-11-23
|
|
This scene shows the final clearing of bedrock inside the caisson pier of pier #2 on the highway bridge.
2024-11-23
|
|
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...
2024-11-23
2024-11-23 |
|
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....
2024-11-23
2024-11-23 |
|
Selling war bonds. Left- Dick Miller; right- Cleland Ware. Background- a 175-ton hook on one of two powerhouse cranes.
1942-02-09
2024-11-23 |
|
Partial view of station-service generator LS-1, at right, and control cubicle and governor cabinet at left.
1941-03-13
2024-11-23 |
|
Stoning and finishing the interior surface of an outlet conduit at elevation 934.
1939-12-01
2024-11-23 |
|
The Fuller-Kinyon remote-control unloader used for removing bulk cement from boxcars at the cement blending storage plant.
1938-12-30
2024-11-23 |
|
A concrete train and operator on the deck of the elevation 1180 construction trestle.
1939-10-06
2024-11-23 |
|
A diver about to be lowered in a special chair for underwater work on cofferdam removal.
1938-01-07
2024-11-23 |
|
A slide on the east forebay slope which occurred February 28, 1937. The top of the broken area is at elevation 1060 and the toe of the slide is resting against a rock outcrop at about elevation 900.
1937-03-02
2024-11-23 |
|
Toggle grab-hook for pulling steel sheet piles in west cofferdam.
1905-04-20
2024-11-23 |
|
Center section of Columbia River coffered off and stream diverted west of block 40 shown to right center where section "E" of west cofferdam is partly removed. Frames in lower foreground are feeders for conveyor to be used in removing about...
1937-01-07
2024-11-23 |
