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1126 - 1150 of 1414 Items << < 41 42 43 44 45 46 47 48 49 50 > >>
1126 - 1150 of 1414 Items << < 41 42 43 44 45 46 47 48 49 50 > >>
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Govt. inspector filling cylinder with concrete sample at a plant for compression braking test
1940-07-26
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Transfer of 115-tin coaster gate from east forebay, Unit R-9 to west forebay, Unit L-7. This transfer (made on war surplus steel pontoon barge) will expedite starting of unit L-7 by approximately three weeks. This picture shows the coaster gate...
1947-09-09
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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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One hundred fifty ton gentry crane being tested. Crane is lifting a thirty-seven and one half ton concrete block. This machine was built by Star Manufacturing Company of Tacoma, Washington and is installed on tracks reaching across the top of the...
1942-05-22
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Floating Caisson aft section passing thru the drydock gates as it moves out into the drydock channel, where it will be moored while the Caisson Seat Frame is being assembled in the drydock. Foreground, Caisson with operating machinery on deck....
1949-08-24
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Failure of L-3 Turbine. Note: deflector plate on top of runner and the one deflector plate that was left in original position. Also scored condition of runner top rib
1945-06-15
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This picture shows how the stack of material was dislodged and scattered thru car. Note broken sheets. See photo #18671-3. Damaged (broken and chipped) sheets of asbestos board as received in car B&O 270305, March 17, 1949. Shipment under...
1949-03-18
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estimates as a basis, it was found necessary to estimate by its staff, approximately 17 pereent of the total 'ultimate power investment in authorized projects*
A copy of this information, as prepared by the Hoover Commission, is enclosed* It...
2009-04-01
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20 foot dam and falls on Cedar Creek near Hall, Washington
Photo shows nearly low-water stage
1937-08-06
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Reclamation projects come into production slowly. Experience over the past 50 years show that 25-30 years elapse between beginning of construction and full production, On large basin wide projects the time interval is even greater. For...
2009-05-01
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1 map; 45 x 58 cm.
Gov't Lands Taken; O.R.&N.Co. Lands sold; School lands; and O.R.&N.Co. Lands all identified by...
1888-11-22
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1 map : col., 23 x 36 cm. Inset map of the great lava plateau of Columbia River, stretching southward across Oregon and eastward nearly to Yellowstone National Park.
A larger scale map of this route can be seen at...
2024-11-22
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Letter: To Subcommittee on Irrigation & Reclamation, Committee on Interior & Insular Affairs, House of Representatives, from Brooks, Vanoni, et.al, June 17, 1966, page 2
1966-06-17
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Letter: From Walter W. Heller, The Chairman of the Council of Economic Advisers, to Mr. Hughes, April 3, 1964, page 2
1964-04-03
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Image of tennis courts taken in 1938 at the employee housing site for Coulee Dam
1938-09-04
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The old business district of the town of Arlington, Oregon, still remains intact, but time is fast running out. The overpass bridge of Interstate Highway 80N is scheduled for completion by the end of the year. By that time the Walla Walla...
1965-11-22
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View of tract No. 3 Taken from a point approximately 300 feet north and 300 feet east of the southwest corner of the NW 1/4SE1/4 of Sec. 26, T. R. 28E., W.M., looking N. 08 degrees E. U.S. V. Howard Adams, et al.
1949-06-22
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General view of early phase of construction of Grand Coulee Dam
2024-11-22
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An aerial view looking east. A general view showing feeder canal, area immediately above slide area of canal, and part of town of Grand Coulee. Feeder canal shown back to headworks
1947-10-21
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Specifications 2329. Morrison-Knudsen Company, Inc., and Peter Kiewit Sons' Company. Progress view of the pump-discharge outlet structure showing the status of construction of the crest bends of P-1 to P-4 discharge pipes. Pipes P-1 and P-2 have...
1949-09-08
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View showing west crane recess
1940-04-10
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The two 14,000 h.p. station-service turbines at the left powerhouse are embedded in concrete to elevation 951, the generator floor level.
1940-08-01
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View of the east powerhouse foundation with Grand Coulee in the background.
1941-01-25
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Hoisting elevator shaft form into place. 3 men riding load.
1941-06-30
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View of the spillway section from the left bank
1941-03-31
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