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951 - 975 of 2123 Items << < 34 35 36 37 38 39 40 41 42 43 > >>
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36" belt carrying aggregate to west concrete mixing plant over 3500-foot suspension bridge
1935-11-04
2024-11-23 |
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Construction of the Pumping Plant Structure, Grand Coulee Dam, Washington. Installation of pumping unit P-2 discharge pipe, showing the concrete form around the outlet tunnel, placement of reinforcing steel and in the center close to the concrete...
1949-05-16
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Mr. R. F. Walter, Chief Engineer, Mr. F. A. Banks, Construction Engineer, and Mr. John C. Page, Commissioner of U.S. Bureau of Reclamation, at opening of bids for completion of the Grand Coulee Dam, one power house and the irrigation wing-dam.
1937-12-10
2024-11-23 |
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Note on album leaf: Driving steel piling, West cofferdam.
PH Coll 239.15
2024-11-23
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Here is shown the dam as it appeared in June of 1940, with the river at flood stage, having a flow of 265,000 second feet.
The debris behind the boom in the forebay is material that has drifted downstream from clearing operations in the...
1940-06-01
2024-11-23 |
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Note on album leaf: West cofferdam, March 31, 1935. Length 3,000 ft., ht. 115 ft., over 17,000 tons steel piling, constructed in ninety days.<br><br>PH Coll 239.14
2024-11-23
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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...
2024-11-23
2024-11-23 |
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Early forms ready for pouring on bedrock.
1935-12-03
2024-11-23 |
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A view of the camp site at the Little Dalles during the winter of 1940. On Oct. 20, 1933 the Columbia Basin Commission authorized the Wallace Aerial Surveys of Spokane to make an aerial survey of the lands along the Columbia River from the Grand...
2024-11-23 |
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Commissioner John C. Page, Construction Engineer F. A. Banks, and Chief Clerk C. B. Funk, at the opening of bids at Spokane, Washington, for completion of Grand Coulee Dam under specifications no. 757.
1937-12-10
2024-11-23 |
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Department of the Interior: Bureau of Reclamation Columbia Basin Project - Washington: Grand Coulee Dam-Government Camp: Garage and Fire Station West and North Elevations
1935-01-31
2024-11-23 |
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Abutment sidewalk. Parapet and Gantry Rail Blockout Forms; Fig. 5 Appendix - 2 L-2846-14
1941-02-03
2024-11-23 |
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Department of the Interior: Bureau of Reclamation Columbia Basin Project - Washington: Grand Coulee Dam-Government Camp: Garage and Fire Station East and South Elevations
1935-01-31
2024-11-23 |
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The Presidential Party visitors viewing the dam upstream from the east side.
1937-10-02
2024-11-23 |
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Caption on image: 93
Caption on verso: West side of Columbia River one mile from Coulee Dam. US WPA 734 [Grand Coulee Dam 354] |
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1 map : 26 x 43 cm. Scale: 1 in. = 400 ft. Inset: Section thru dam
This is a very preliminary design map showing how a dam could be placed at Grand Coulee. Initial excavation for a dam there didn't begin until 1933, by which point...
2024-11-23
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The first cars drive along a completed portion of the roadway atop the right abutment section of Grand Coulee Dam. As of this date, 700 feet of 30-foot width roadway had been completed.
1940-08-02
2024-11-23 |
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Caption on verso: Lake Roosevelt behind the dam
[Grand Coulee Dam 448] |
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Caption on verso: SOAP LAKE SIPHON: An interesting feature of the Columbia Basin irrigation system in Washington State is the Soap Lake siphon. The interior view shown in the above picture was taken near the the end of the 2.44 mile-long concrete...
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Erection in progress on a large Colby hammerhead crane, as well as on the elevation 1180 construction trestle. When completed, this crane will measure 356 feet from tip to tip of the boom, and will weigh 268 tons.
1938-07-25
2024-11-23 |
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Acceptable bedrock in east abutment; high placing trestle; low trestle on extreme left.
1936-12-03
2024-11-23 |
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These 22 foot diameter openings are the lower portals of the pumping plant tunnels which pass upward thru the cliff and daylight on the irregular hill side. The wedge shaped excavation to the right is the gantry crane recess before it was lined...
2024-11-23
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