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926 - 950 of 2123 Items << < 33 34 35 36 37 38 39 40 41 42 > >>
926 - 950 of 2123 Items << < 33 34 35 36 37 38 39 40 41 42 > >>
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View of Grand Coulee from west bank. Cranes visible on bank.
1941-05-09
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Steel erection on the right abutment for the new construction trestle, with deck at el. 1180. At the bottom are a few remaining timbers of the trestle at el. 1024, which was used during the MWAK Co. contract.
1938-06-28
2024-11-23 |
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Cooling water feeders in elevation 900 longitudinal gallery.
1937-07-08
2024-11-23 |
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Twenty-Four of a shipment of 40 Blaw-Knox 4-yard concrete placing buckets.
1935-11-24
2024-11-23 |
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Stock piles of gravel at the aggregate processing plant.
1935-09-15
2024-11-23 |
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Small dump trucks were used to haul out the muck during the driving of the pumping plant discharge tunnels. The workman standing alongside the discharge chute operates the air ram which closes the gate when a load of muck has been placed on the...
1939-02-22
2024-11-23 |
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Part of cells in section "H" of west cofferdam removed for river diversion. East shore-end of cross-river timber crib cofferdam at the left - east end of concrete placing trestle across the river and to its right is shown low Wakefield pile...
1936-08-01
2024-11-23 |
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Excavation at bottom of steel piles in section "E" of west cofferdam.
1936-03-01
2024-11-23 |
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Cribs for cross-river cofferdams constructed in upper diversion channel, built to fit river bottom from measurements taken by sounding.
1936-09-26
2024-11-23 |
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First bedrock exposed in excavation on west side, along tailrace.
1935-07-24
2024-11-23 |
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Failure of a cell in section "E" of west cofferdam, due to shearing of rivets in a "Y" pile.
1935-04-10
2024-11-23 |
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The exposed portions of the pumping plant discharge pipes gleam brightly in the sun with their coat of aluminum paint. Symbolic of the entire Columbia Basin Project--this picture shows Coulee Dam holding back the waters of the Columbia River...
1950-09-24
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The Columbia River at flood stage flows over 16 low blocks in the spillway section of the dam. The outlet conduits at elevation 934 were also used for river diversion and at this date 18 of the 20 conduits were open.
1939-06-01
2024-11-23 |
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East side of block 40. Fillet shown to the left. Bucket unloading in bedrock pour.
1937-06-24
2024-11-23 |
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Contractor's sounding barge securing river-bottom contours for fitting timber crib cross-river cofferdams to river bed. Across river is section "F" of west cofferdam partly removed. Upper left is aggregate suspension bridge.
1936-08-08
2024-11-23 |
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Raw stock pile at aggregate plant, with trommel screening and gyratory crushing house below.
1935-11-01
2024-11-23 |
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Five-yard electric shovel handling rock near west abutment.
1935-05-20
2024-11-23 |
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Upper end of 60-inch spoil conveyor, showing discharge to dump in Rattle Snake Canyon.
1935-09-20
2024-11-23 |
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Conjunction of the pumping plant foundation and the left abutment section of the dam.
1940-01-02
2024-11-23 |
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The elevation 1024 trestle, used by the M.W.A.K. Company, is dismantled. the structural steel was incorporated in the new construction trestle erected to elevation 1180.
1938-05-19
2024-11-23 |
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Fill behind final closure gate in downstream cross-river cofferdam.
1905-04-19
2024-11-23 |
