Pacific Northwest and California freshwater resources are key elements in the life history and ecology of Pacific salmon and steelhead listed as threatened or endangered under the Endangered Species Act. Risk to listed Pacific salmonid species can...
2014-12-15 (iso8601)
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Hatcheries are often perceived as a source of pathogen amplification, potentially increasing disease risk to free-ranging populations; at the same time, free-ranging fishes may introduce pathogens into hatcheries through untreated water sources....
2014-11-04 (iso8601)
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Presents pesticide and herbicide application rates and recommendations, by tree growth stage, for pests that infect fruit trees. Covers apples, pears, and cherries. Provides (1) spray program for nutrients; (2) dilutions table for wettable powder...
2014-01 (iso8601)
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"A view-window counting station was operated at the Pacific Power and Light Company's dam on the North Umpqua River at Winchester, Douglas County, Oregon. The fish passing the dam each season were enumerated by species, according to a statistical...
1967 (iso8601)
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"The construction of Illinois Falls fish ladder on the Illinois River in Oregon was completed in November 1961. The ladder was opened and operated during the winter of 1961-62. Final cleanup and rock removal was completed in the fall of 1962. The...
1963-03 (iso8601)
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A sample of fish remains from two late-prehistoric
archaeological sites on the central coast of Oregon
were analyzed to partially evaluate two models of
aboriginal subsistence-settlement systems. One
model is based upon ethnograhpic data,...
1982-12-10 (iso8601)
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Presents pesticide and herbicide application rates and recommendations, by tree growth stage, for pests that infect fruit trees. Covers apples, pears, and cherries. Provides (1) spray program for nutrients; (2) dilutions table for wettable powder...
2013-01 (iso8601)
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Oregon’s forested coastal watersheds support important cold-water fisheries of salmon
and steelhead (Oncorhynchus spp.) as well as forestry-dependent local economies. Riparian
timber harvest restrictions in Oregon and elsewhere are designed to...
2011-01-08 (iso8601)
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The central part of the Bayhorse Mining District is located in the Salmon River Mountains in north-central Idaho between the towns of Challis and Clayton. The area is underlain by metasedimentary rocks of Early to Middle Paleozoic age that were...
1977-09-14 (iso8601)
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Our proportion of undergraduates from under-represented groups has increased from about 7% in 2002 to 13 % in 2007. This presentation will discuss a variety of strategies, tools and ideas for recruiting and retaining natural resource students...
2008-04-30T22:48:10Z (iso8601)
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Oregon's only remaining non-reservoir population of adfluvial bull trout (Salvelinus confluentus) is found in Odell Lake, in the headwaters of the Deschutes River. The population size is unknown, but appears to be quite small. Limited spawning...
2007-07-11T22:33:54Z (iso8601)
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304 REPORT OP THE CHIEF OP ENGINEERS, U. S. ARMY.
July 1, 1887, amount available.......................................... ©45 gg
July 1, 1883, amount expended during fiscal year, exclusive of liabilities
outstanding July 1,...
2006-06-16
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The above statements include those vessels twice discharging or receiving part cargo at Astoria and Portland, which class is principally made up of San Francisco steamships, numbering for the year a little over 100 each way. On the other hand, the...
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The following refer to the district of Willamette for year ending May 31, 1882, and are furnished by Mr. F. N. Shurtliff, collector :
Value of imports $58,001
Value of exports 6, 614,243
Coastwise arrivals, number, 161 ; registered tonnage...
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EXPORTS OF FLOUR TO DATE.
Cleared. Vessels. Barrels. Value.
Sept. 30 French bark Marrianne 784 83, 200
Nov. 2 British bark Arbutus, Queenstown 1, 934 7, 736
7 British bark Eliz. Doug-all, Hong-Kong 5, 455 19, 841
12 British ship...
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