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ACKNOWLEDGMENTS <br />The author wishes to thank those who participated in the collection of <br />biological data associated with this project. Mike C. Baker, Thad Bingham, Matt <br />Campbell, Joe Flair, Sara Hollerich, Mike K1opf, Meredee Lloyd, Chuck McAda, <br />Brian Scheer, Dale Ryden, and Matt Toner participated in handling and processing <br />fish collected in the fish trap and in collecting fish with electrofishing, <br />trammel nets, and trap nets from off-channel ponds and from the Gunnison and <br />Colorado rivers. <br />Redlands Water and Power Company, owner of property surrounding the <br />Redlands Diversion Dam, permitted access to the site. Joe Sullivan, U. S. <br />Geological Survey, Water Resources Division, Grand Junction, provided hydrology <br />data. Coll Stanton, Bureau of Reclamation, Grand Junction, retrieved and <br />provided discharge data for the Lower Gunnison River. Colleague Doug Osmundson <br />graciously shared his sub-adult and adult Colorado pikeminnow catch data from his <br />1998-2000 population estimate study for comparison purposes. Dr. Ron Ryel, <br />biometrician, provided statistical advice for analyzing whether discharge <br />affected seasonal numbers of native fish collected in the passageway fish trap. <br />Ron also analyzed capture data to derive a population abundance estimate for sub- <br />adult and adult Colorado pikeminnow in the Gunnison River. <br />Tom Nesler, Colorado Division of Wildlife, Denver, and John Mckern, Fish <br />Passage Solutions, Walla Walla, Washington, peer reviewed the report. Their <br />written comments were important contributions to this report. Dr. Edmund Wick <br />provided telephone comments and the author benefitted from his insightful remarks <br />on the various aspects of Colorado pikeminnow life history. Mark Wernke, Bureau <br />of Reclamation, provided a technical review and comments of the hydraulic and <br />engineering features of the fish passageway. John Hayse provided useful comments <br />to a later version of the report. Cheryl Harris proofread the report. Don <br />Wiltse, Fran Dillon, and Steve Culp, Bureau of Reclamation, were responsible for <br />conducting maintenance and providing assistance and heavy equipment to assist FWS <br />personnel in winterizing the fish passageway. <br />xi