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1151 - 1175 of 5942 Items << < 42 43 44 45 46 47 48 49 50 51 > >>
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RIVER TEMPERATURE
Since the fishermen do not report river temperatures at their drifts, the exact daily temperatures are not available, but the daily Columbia River temperatures at Bonneville Dam are tabulated. The recorded temperatures at...
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Caption on mount: Fisherman seining, Chanook, W'n. Columbia River, Washington
PH Coll 293.1 |
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63 p. Includes sections of Appendix JJ: 1877 annual report of Maj. John M. Wilson, Corps of Engineers, detailing surveys and statistics about and works of river improvements for the Willamette and Columbia rivers.
1877-11-01
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2005-09-07
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Downstream view of diversion channel from west shore. Part of Mason City across the river.
1937-06-23
2024-11-01 |
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In the foreground removal of the upstream arm of the west cofferdam is well advanced. This will permit the river to flow on this side of the remaining part of the cofferdam when the cross-river cofferdams close off the main river channel. About...
2024-11-01
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Ninety basalt samples from eight locations in central Oregon
and one location in the Willamette Valley were analyzed for Si and Al.
Fourteen basaltic rock specimens (> 1 kg each) from four buttes in the
Willamette Valley were sampled and analyzed...
1970-08-11 (iso8601)
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63 p. Includes sections of Appendix JJ: 1877 annual report of Maj. John M. Wilson, Corps of Engineers, detailing surveys and statistics about and works of river improvements for the Willamette and Columbia rivers.
1877-11-01
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REPORTS OF CAPTAIN W. P. GRAY TO THE OREGON RAILWAY AND NAVIGATION COMPANY UPON THE UPPER COLUMBIA RIVER, ITS NAVIGABILITY AND RESOURCES FOR STEAMBOAT TRADE.
No. 1.
AINSWORTH, June 5, 1884.
DEAR SIR : I left Ainsworth with saddle-horse and...
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ness the boat is liable to be wrecked at any time. Estimates pertaining to the Lower Willamette and Columbia provide for a new hull.
The Corvallis was used last year three and a half months on these rivers. She removed thirty-four snags from the...
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65 p. Selected sections of Appendix GG: Report of Major N. Michler, Corps of Engineers. Included are annual reports upon works of river improvements for the Willamette, Columbia, and Snake rivers.
1875-11-01
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Source F-7
Tentative Disposition
B
B
F-7
Problem or Area of Concern
5. The passage of time seems to reduce channel capacity below projects which must evacuate storage to provide space for a potential flood. The Boise River from...
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Salmon River, a tributary of the Big Sandy River which is a suitable salmon spawning area
2003-01-01 |
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Various methods have been developed to mitigate the adverse effects of the Federal Columbia River Power System on juvenile Pacific salmon out-migrating through the Columbia River basin. In this study, we found that hatchery-reared spring Chinook...
2011-03 (iso8601)
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This is a section of the Kettle River railroad bridge on its way to Coulee Dam for dismantling and salvage.
2024-11-01
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Conservation and Enhancement Act were never funded. The management proposals of the commission appointed under that Act were rejected by the Secretary of Commerce The Pacific Salmon Treaty between Canada and the United States hit a series of...
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2870 REPORT OF THE CHIEF OF ENGINEERS, U. 8. ARMY.
of the Board to be paid from appropriation for "improving- lower Will-
amette and Columbia rivers in trout and below Portland, Oregon."
With, the approval of the Secretary the order...
2006-06-16
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The Gerald W. Williams Electronic Records include images, word processing files, PowerPoint presentations and other electronic formats that chronicle Williams's research interests and scholarly productivity during his years working as a historian...
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naciously clinging roots. The former lords of the forest are all dead, of course, but still they keep their places, inclining downstream perhaps twenty-degrees from their former proud perpendicular, and firmly anchored. It takes careful steering...
2004-08-09
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This collection contains the record of
the formation and subsequent organizational and lobbying efforts of the Inland
Empire Waterways Association, later renamed the Pacific Northwest Waterways
Association.; Historical Note; In 1934...
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Document: A possible route to transport water from Columiba River to Colorado River, July? 1966 (themofax), page 2
1966-07-01
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Conservation and Enhancement Act were never funded. The management proposals of the commission appointed under that Act were rejected by the Secretary of Commerce.143 The Pacific Salmon Treaty between Canada and the United States hit a series of...
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before any improvements were made, and 57 miles where navigation is known to be practicable. Open river work at Priest Rapids on the Columbia will enable a boat to ascend 153 miles further. North of this there are 430 miles of water to the head of...
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