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3826 - 3850 of 5942 Items << < 149 150 151 152 153 154 155 156 157 158 > >>
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Management Guidelines
8. Alternate modes of transportation to destination recreation facilities are encouraged, including use of shuttles, waterway facilities, and rail travel, to facilitate visitation and reduce impacts to scenic, cultural,...
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A study of the fishery problems raised by the construction of the Grand Coulee Dam on the upper Columbia River was done. Part of the study was to estimate the number of salmon taken in commercial fishery for the purpose of comparing this with the...
1940 (iso8601)
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Fish scales have long been used to reconstruct fine-scale habitat transitions such as the movement of juvenile fish
from freshwater, estuary, and ocean environments. Despite the importance of life history information to fisheries
management and...
2015 (iso8601)
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1982-06-06 (iso8601)
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Fast cascades over bedrock on Rock Creek four miles above the mouth
It is a barrier to fish at low water.
1936-11-04
2003-01-01 |
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1 map ; 21 x 33 cm. Relief shown by hachures.
Inset: Columbia River, reduced from a survey [scale ca. 1:2,000,000] made by the U.S. Ex. Ex., 1841.
From: Western America Charles Wilkes. 1849.
In lower right margin: Edwd....
2024-11-25
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One-man gill net boat with power roller and two-man stern picker gill net boat
1936-11-30
2003-01-01 |
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Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.
1937-06-30
2003-01-01 |
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One-man gill net boat without power roller and two-man stern picker boat near Astoria, Oregon
1937-08-17
2003-01-01 |
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The distribution of surface sediments on the northern Oregon
continental shell is characterized by a nearshore sandy facies and an
outer shelf muddy facies, separated by a mid-shelf zone of mixed
sand and mud. Currents which have been measured at...
1971-07-28 (iso8601)
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region and to identify those sites which have potential for inclusion in the water resources development plan for the Columbia River and Tributaries.
PURPOSE AND SCOPE
This report was prepared in response to the 1975 Congressional...
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network, since all 345-kilovolt facilities in the planning stage were changed to 500-kilovolt lines and substations. The era which encompassed the construction of the Intertie was also a period of major expansion for the BPA grid which totaled...
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Note on album leaf: Builders quarters, government camp in foreground, contractors camp across the river, 1936
PH Coll 239.12
2024-11-25
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dealt with do not seriously threaten either public power or private power. While Haston found a distinct shift to have occurred, the authors perceive
a certain "tongue in cheek" quality of the cooperation. Because the controversy took place too...
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letter from the Secretary of the Army transmitting a letter from the Chief of Engineers, United States Army, dated June 28 1949, submitting a report together with accompanying papers and illustrations, on a review of reports on, and preliminary...
2024-11-25 |
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Memorandum: To Under Sect, from Edward Weinberg, "Your memo of October 20 regarding Felix Sparks' proposal on investigation of imports," Nov 14, 1966 (carbon copy), page 3
1966-11-14
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