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~199o Ty~s, ~~~1. ~ <br />Chemoreception, Imprinting, and Propagation of Colorado Squawfish <br />and Razorback Sucker <br />A Plan of Study <br />by <br />Harold M. Tyus and J. Holt Williamson <br />U.S. Fish and Wildlife Service, Fisheries and Federal Aid <br />Denver, Colorado 80225 <br />and <br />Peter 6. Johnsen <br />U.S. Department of Agriculture, Agricultural Research Service <br />Southern Regional Research Center <br />New Orleans, Louisiana 70179 <br />Submitted to the Recovery Implementation Program <br />~~~, <br />May 4, 1990 <br />