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1751 - 1775 of 2123 Items << < 66 67 68 69 70 71 72 73 74 75 > >>
1751 - 1775 of 2123 Items << < 66 67 68 69 70 71 72 73 74 75 > >>
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Mason City in the foreground--contractor's general office building at extreme left, mess hall and camp office, auto parking space, men's quarters, commercial section and hospital, Mead Circle and residence section. Columbia River highway bridge...
2024-11-22
2024-11-22 |
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Winter conditions at foot of concrete placing trestle support.
1936-02-01
2024-11-22 |
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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...
2024-11-22
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A wooden span from the Marcus bridge arriving at the Coulee Dam under tow by the power barge "Paul Bunyan."
1942-02-12
2024-11-22 |
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Copy of photo taken for Westinghouse Electric and Manufacturing Company. Mr. Berkley (Westinghouse erecting engineer) at busses inside L-2 generator shell. The current coils shown are parts of relay circuits which protect the generator stator...
1942-01-05
2024-11-22 |
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Motor generator set of the 10,000-pound Otis elevator in block 11. It consists of a 100-hp. 460-volt, induction motor; a 280-volt, 290-ampere, direct-current generator; and a 240-volt, 21-ampere, direct-current generator, which excites its own...
2024-11-22
2024-11-22 |
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Mr. John C. Page, Commissioner, Bureau of Reclamation; Mrs. Harold L. Ickes; Mr. Harold L. Ickes, Secretary of the Interior; and Mr. S.O. Harper, Chief Engineer, Bureau of Reclamation. Group is standing in the left powerhouse, near a 15-foot...
1941-08-19
2024-11-22 |
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Construction in progress on the piers and abutments for the new highway bridge across the Spokane River at the narrows. Relocated Primary State Highway No. 22 will cross the Columbia River Reservoir on this bridge.
1940-12-12
2024-11-22 |
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During foundation grouting, wood wedges were driven into the rock seams to hold grout leakage to a minimum.
1939-10-24
2024-11-22 |
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Typical transverse construction joint showing gallery openings at elevation 1,100 and 1,150.
1939-11-14
2024-11-22 |
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The contractor used a dragline to excavate a channel through the right tailrace peninsula.
1939-01-30
2024-11-22 |
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Typical appearance of mass concrete upon completion of pour.
2024-11-22
2024-11-22 |
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By February of 1935 construction was well along. Note the absence of snow at this time.
1935-02-01
2024-11-22 |
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Great Northern Railway Relocation- This picture shows the timber bent trestle erected by the Great Northern Railway over the slide at Jessee Creek. It was taken from the west side.
1942-03-31
2024-11-22 |
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View of the dam with newly constructed observation building in the foreground
1941-07-04
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Upstream Face Forms - Spillway Crest - Cantilever Section
1941-03-24
2024-11-22 |
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Detillion bridge, a temporary timber structure across the Spokane River, will be replaced with a modern steel and concrete bridge.
1940-03-05
2024-11-22 |
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Costumed figures and recorded music played on a loud speaker system were the chief features of the contractor's annual Christmas display, which in beauty and design compared favorably with the best to be found anywhere in the Northwest.
1939-12-01
2024-11-22 |
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Construction in progress on the control works and diversion dam for supplying Icicle River water to the salmon holding ponds at the Leavenworth migratory fish control station.
1939-12-22
2024-11-22 |
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Two belt conveyors were used to lift the aggregate up into the mixing plant storage bins as required for the concrete manufacturing operations. The stockpiles have a maximum capacity of about 138,000 cubic yards.
1939-06-01
2024-11-22 |
