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1 <br />GENETICS MANAGEMENT GUIDELINES <br /> <br />J. Holt Williamson and Richard S. Wydoski <br /> <br /> <br /> <br /> <br />1 <br /> <br />Recovery Implementation Program <br />' for <br />Endangered Fishes <br />' in the <br />Upper Colorado River Basin <br />U.S. DEPARTMENT OF THE INTERIOR <br />' FISH AND WILDLIFE SERVICE <br />DENVER, COLORADO 80225 <br />1 <br />May 25, 1994 <br />1