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Transportation of a penstock section to the right power house. The truck and loaded trailer have moved onto the barge which will carry both across the intervening water of the right tailrace.
2024-04-29
2024-04-29
Looking east over the upstream ends of the main unit penstocks for the left power house. Practically all of the formwork and reinforcement steel is in place and ready for the final embedment of the penstocks in concrete.
1939-04-04
2024-04-29
Report consisting of mixture of text and photographs prepared by the UW College of Fisheries; The College of Fisheries at the University of Washington was formally established on April 2, 1919 at the urging of prominent members of the...

The upper portion of a ring follower emergency gate in a chamber of the elevation 950 gallery. The hydraulically operated gate closes or opens a 102-inch diameter outlet conduit 16 feet below at elevation 934.
1939-08-04
2024-04-29
Papers, photographs, diaries, clippings, ephemera, and other materials of the Barbey family of Oregon, involved in the salmon canning industry.; Papers, photographs, diaries, clippings, ephemera, and other materials of the Barbey...

Minutes, correspondence, speeches, articles, notes, and background materials; organization and government publications/documents of a writer and environmental activist; Board member and officer of Tahoma Audubon Society (vice-president) and...

Hydraulic jets wash the gravel as it is screened into the proper sizes at the aggregate processing plant. On several occasions the plant processed material at the rate of 4,.000 tons per hour.
1939-11-03
2024-04-29
It is not the purpose to analyze the changes which have taken place in the channel and other features— which, however, have been mainly dependent upon the movement of Sand Island with its shoal, and of Clatsop Spit—nor determine whether the...

as to be serviceable for one year more probably. The rivers throughout the year have been in a good navigable state from Portland to the sea, except during the first ten days immediately after the subsidence of the freshet; the bars were then all...

degrees, and average precipitation 45 inches; has the same latitude as Halifax, and yet, 1,100 varieties of roses bloom out-of-doors ten months in the year, and the annual 'Rose Festival,' held in June, is a sight never to be forgotten." --page...
2004-07-22
The Gerald W. Williams Posters Collection is made up of posters accumulated by Forest Service Historian Gerald W. Williams. Most of the posters were produced as a part of Forest Service educational campaigns and others highlight a variety of...

Image Caption: BAY AT HEAD OF PRIEST RAPIDS, LOOKING WEST --page break-- head of the fourth rapid, a part of the River is diverted along the right shore for two miles to a small power station. The first six sections of Priest Rapids are...
2004-07-20
6 miles westward of Point Adams, had been cut through midway between the point and its western extremity by a wide channel, with 17 to 18 feet of water, running south by west from Sand Island, or at right angles with the corresponding channel of...

At the contractor's sand classifier and dewaterer discharges the sand fraction to a conveyor belt.
1938-08-26
2024-04-29
To indicate the approach to the south channel from the sea, there is an automatic buoy 1 mile seaward of black buoy No. 1, which gives a distinguishable blast in moderate weather. ASTORIA STATISTICS. I am under obligation to the Hon. W. D....

S. 145, Senate Bill 145, 85th Congress, First Session
1957-01-07
Clamshell loading barge with material removed from cofferdam cribbing in the spillway bucket section at blocks 39 and 40. The loaded barge is then towed into midstream, and the material dozed overboard with a Caterpillar tractor.
1938-02-09
2024-04-29
Wicket gates for L-8 turbine resting on generator deck. Mr. H.R. Ramm, U.S.B.R. cleaning and inspecting shafts
1947-06-28
Winter scene. Blocks at west end of dam covered with snow and ice.
1937-01-28
2024-04-29
Telephoto photograph of home and yards in the Airport Addition to Coulee Dam
1950-09-20
its length along the rocky right hand shore and determined that it was a case of lining for a full mile on the side I had followed. Returning to the boat I dropped her down in the current, holding the towline in my left hand, and with the...
2004-07-12
CHAPTER III
BOAT BUILDING AND HAPPENINGS AT CANAL FLAT On the following day, May 31, I began the construction of a boat to carry me on my river journey. The lumber bought at Wardner had a length of but 18 feet, and as 20 feet was the...
2004-07-06
Looking east along axis of dam after flooding area. At the left edge is aggregate suspension-bridge conveyor to Westmix. In the center, three cells remain of section "D" in west steel cofferdam.
1937-12-21
2024-04-29
Map showing position of available aerial photographs of the Bonneville Dam area taken in 1939 as part of the OCSW (determine acronym please!.) railroad survey. Contemporary terrain, major roads, populated places, and the Columbia River are shown...
2004-06-23
2004-06-23
For description of the project, please see photo 94-0 35
1964-04-29
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