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A study of the life history, population dynamics, and ecological relationships of the Columbian white-tailed deer (Odocoileus virginiarius leucurus) was conducted on the
Washington mainland, Columbian White-tailed Deer National Wildlife Refuge...
1974-07-11 (iso8601)
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The thesis area is located in the Blue Mountains of northeast Oregon. Pre-Tertiary and Cenozoic rocks, divided on the basis of age and tectonic history, are exposed along the eroded crest of the Blue Mountain anticline. Permian (?) metasedimentary...
1976-03-02 (iso8601)
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Common resources are those for which rights to use, access and management have not been assigned. Common resources are frequently subject to over-exploitation, a phenomenon frequently referred to as the "tragedy of the commons," and solutions to...
2002-02-15 (iso8601)
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2024-05-15
2024-05-15 |
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2024-05-15
2024-05-15 |
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The Columbia River Basalt consists of dozens of seemingly identical flows of basalt covering thousands of square miles of Oregon, Washington, and Idaho. For years, detailed mapping of the units relied almost entirely on subtle petrographic...
1976-11 (iso8601)
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Netting salmon from trap in flume to examine "ripeness" for spawning, at Leavenworth station.
1942-09-18
2024-05-15 |
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XX 104 Whatcom Cr., Wash. (103)
XX 105 Nooksack R., Wash. (103)
List leaves coast and proceeds to the
interior watershed to
XX 106 COLUMBIA RIVER
(above Snake R., Wash. See p. 1616.)
XX 107 Spokane R., Idaho and Wash. (106
XX 108 St....
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Relocated PSH No. 22 and the relocated Great Northern Railroad line south of Powell, Washington. The Powell overpass appears in the background.
1941-07-01
2024-05-15 |
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APPENDIX TT—EEPORT OP CAPTAIN POWELL. 2471
Daring last fall and winter, and under the appropriation of 1886, the
principal operation conducted was a search for a stone supply, from the
place of which a small railroad could...
2006-06-16
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View of the reservoir and the upstream face of the Grand Coulee Dam, from the west abutment. The pumping plant wing-dam appears in the foreground. The reservoir water surface is at elevation 1243.3, and the water surface downstream from the dam is...
1941-12-31
2024-05-15 |
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RR 1
IMPROVEMENT OF THE MOUTH OF THE COLUMBIA RIVER, OREGON AND
WASHINGTON TERRITORY.
The project of this improvement is to build a low-tide jetty, about 4 1/2 miles long, from near Fort Stevens, on the south cape, by a slightly convex...
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Third Volume, Third issue, of the Mason-Walsh-Atkinson-Kier Columbian. Builders of Coulee Dam Safety Newsletter. Created by the Safety Department and issued to the residents of Mason City and contract workers at Grand Coulee Dam. Originally...
2024-05-15
2024-05-15 |
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"Nothing doing," Blackmore replied decisively ; "going straight through." The ranger grinned and shook his grizzled head. "You're the man to do it," he said; "but jest the same, I'm glad it's you and not me that has the job."
The station agent...
2004-08-05
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A big pump inlet pipe is lowered to temporary timber cribbing. When the pipe is blocked to final line and grade, steel struts and ties will replace timber cribbing.
1940-02-12
2024-05-15 |
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hand, there was no time to advertise for proposals for furnishing the additional materials, and the Secretary of War therefore authorized the acceptance of the offer of Wakefield & Jacobsen.
From the time operations were commenced, January 24,...
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Image caption: NO. 401. CASCADE LOCKS, COLUMBIA RIVER, OREGON LOOKING UP CANAL FROM A POINT ON SOUTH SIDE IMMEDIATELY BELOW LOWER GUARD GATES
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A main unit penstock section about to be hoisted into a right power house turbine pit. A total of 126 sections was moved by this method into the right power house turbine pits without a single mishap.
1939-09-27
2024-05-15 |
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Trashrack structures for protecting the intakes to the main unit penstocks. A steel rack or grill is being lowered into position
1939-12-01
2024-05-15 |
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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
2024-05-15 |
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Equipment at work on removal of the old cofferdam island downstream from the spillway section of the dam. This job involved the pulling of steel piling, removal of timber cribs, drilling and blasting of concrete, and excavation of earth and rock...
1939-02-06
2024-05-15 |
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Correspondence, reports, publications,
meeting minutes, and other papers primarily related to Warren Wooster's work
with the North Pacific Marine Science Organization (PICES). Wooster was a
professor and director of the Institute for...
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The downstream side of a 70-ton closure gate, and a gate guide frame. The contractor ordered eight gates and nine frames. They were fabricated by Pacific Car & Foundry Co. and assembled on the dam.
1938-08-04
2024-05-15 |
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The Dorr hydro-separator installation at the contractor's sand classifier plant.
1938-08-26
2024-05-15 |
