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Watersheds
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United States. Dept. of Agriculture
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Subject
Pacific salmon -- Columbia River Watershed
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1. [Article] Columbia River salmon update
Published September 1993. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/cat...Citation -
2. [Article] Salmon and the Columbia River system
Published April 1991. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalogCitation