Results
1901 - 1925 of 2123 Items << < 72 73 74 75 76 77 78 79 80 81 > >>
1901 - 1925 of 2123 Items << < 72 73 74 75 76 77 78 79 80 81 > >>
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View of the spillway section from the left bank
1941-03-31
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Spillway Section--downstream face
1940-10-24
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Huge wicket gates stored on generator deck is wiped off by H.R. Ramm, U.S.B.R. foreman.
1947-06-28
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The spider for the L-7 generator, after being heated to cause it to expand, is being lowered onto its shaft. It is partially covered with canvas to keep it warm until it is in place.
1947-06-27
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A view of the east end of the left powerhouse, with turbine pit No. 6 in the immediate foreground
1942-11-28
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air compressors in power house
1941-09-10
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Recommendations of the Pacific Northwest Regional Planning Commission were adopted by the Special Committee with two significant changes. First they dropped the proposal for an independent corporation in favor of .establishing a bureau in the...
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Papers of the
Federation of Western Outdoor Clubs, a coalition of hiking and outdoor
recreation groups in eight Western states, 1947-1981.; Federation of Western Outdoor Clubs
(FWOC): "As the American frontier closed in the late 19th...
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Shot with a wide angle lens, a view of the dam with employee housing on both sides of the Columbia
1941-05-22
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A 5-yard electric shovel, 10-yard dump buggy and 75 H.P. diesel Caterpillar used for excavating in the west side river diversion channel
1936-07-30
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Progress photos of the East Powerhouse as of date.
1941-08-07
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Hoisting elevator shaft form into place. 3 men riding load.
1941-06-30
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Aim crosshairs for aligning drum gates.
1941-03-06
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Concrete breaker used to tighten bolts on L-6 scroll case
1943-05-26
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A centrifugal oil purifier, a filter, and automatic electric heater, and meter, pumps, gauges, pipes, and necessary appurtenances are mounted on a simple truck for use in various parts of the plant. The unit is designed to handle lubricating,...
1941-09-10
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Administration suggested the accelerated completion of the powerplant at Bonneville Dam. As a result of a formal request by the Secretary of the Interior to the Secretary of War, the matter was submitted to Congress early in 1939. Congress then...
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Album leaf 166: Presidential (F.D.R.) visit, 10/2/37
PH Coll 238.166
2024-11-22
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The Allan T. Scholz Papers consists of Region One fisheries management reports, fish plant reports for eastern Washington counties, and a study by Scholz and others titled Upper Columbia United Tribes Fisheries Technical Report No. 2.; Dr. Allan...
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Daily log of Glover's work on water projects throughout the U.S. West in 1952 and notes on August 1952 trip to McCook, Nebraska
2024-11-22
2007-01-03 2007-01-03 |
