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<br />ACKNOWLEDGMENTS
<br />
<br />This publication is the culmination of nearly a decade of work on early life stages of the
<br />species covered. It builds upon descriptions and preliminary keys previously sponsored by the
<br />Bureau of Land Management (United States, Colorado Office), Colorado Division of Wildlife
<br />(former Non-Game Section), Colorado State University Experiment Station, Ecosystem
<br />Research Institute (Logan, Utah), United States Fish and Wildlife Service (Colorado River
<br />Fishery Project and Reno Fisheries Assistance Office), and Utah Division of Wildlife Resources.
<br />Some text and data, and many illustrations were originally published in Snyder (1981, 1983a)
<br />and Snyder and Muth (1988).
<br />
<br />Developmental studies at the Larval Fish Laboratory have depended on the assistance and
<br />cooperation of many individuals, including Colorado State University (CSU) students serving
<br />as Larval Fish Laboratory volunteers or employees. Edmund Wick was responsible for
<br />obtaining fertilized eggs and rearing developmental study series of many of the species studied.
<br />Mark Castagneri, Al Davis, Gary Dean, Carol Jefferson, Philip Harrison, David Herbet, Jeff
<br />Pearson, Dale Brown, and Keith Fulsos (Brown and Fulsos via summer CETA Youth Program)
<br />assisted with culture or organization of collected specimens for study. James Barrowman, Lynn
<br />Bjork, William Emerson, Lyndon Evans, Stephanie Salyer, and Edmund Wick assisted with
<br />acquisition of morphometric and meristic data from hundreds of specimens. Timothy Hill, Jack
<br />Piccolo, and Steven Platania cleared and stained some specimens. Steve Meismer, Jack
<br />Ruppert, and Mark Williams assisted with editing of the keys.
<br />
<br />Additional specimens were donated by or borrowed from William Hauser (Alaska
<br />Department of Fish and Game, Anchorage), Philip Harrison (CSU), Arizona State University
<br />Center for Environmental Studies (Tempe, via Daniel Langhorst and Paul Marsh), Bio/West
<br />Inc. (Logan, Utah, via Paul Holden), Ecosystem Research Institute (Logan, Utah, via Richard
<br />Valdez and John Carter), Utah Cooperative Fish and Wildlife Research Unit (Utah State
<br />University, Logan, via Timothy Modde and Neal Muirhead), Utah Division of Wildlife
<br />Resources (Salt Lake City, via Randy Radant and Dennis Shirley), and United States Fish and
<br />Wildlife Service: Colorado River Fish Project (Grand Junction, Colorado, and Vernal, Utah,
<br />via Lynn Kaeding and Harold Tyus), Fisheries Assistance Office (Reno, Nevada via Donald
<br />King and Gary Scoppetone), and Dexter National Fish Hatchery (New Mexico, via Roger
<br />Hamman). Parental stock for white sucker culture was obtained from a local pond owned by
<br />Louis Swift.
<br />
<br />C. Lynn Bjork prepared original and all previously published drawings except as follows.
<br />Selected drawings of Catostomus commersoni larvae were reproduced with permission from
<br />Stewart (1926), Buynak and Mohr (1978), and Fuiman (1979, drawings by C. Komar Outlaw).
<br />Drawings of adult suckers were reproduced with permission from Miller (1952, drawings by
<br />William Brudon) and Behnke and Benson (1983, drawing by Doris Rust).
<br />
<br />Colorado Division of Wildlife contract supervisors Patrick Martinez and Thomas Nesler
<br />were extremely patient with our many delays and revisions. Anita Martinez, Kenneth Tiffan,
<br />Maryann Snyder and Clarence Carlson reviewed draft manuscripts. Kevin Bestgen scrutinized
<br />near fmal versions of the keys.
<br />
<br />Facilities and secretarial support were provided by the Department of Fishery and Wildlife
<br />Biology, College of Forestry and Natural Resources, CSu. Michael Dallwitz of CSIRO Division
<br />of Entomology in Canberra, Australia, provided copies of DELTA system computer programs and manuals to aid key production. This manual was sponsored by the Colorado Division of
<br />Wildlife, Endangered Fishes Investigations SE-3 and the U.S. Fish and Wildlife Service, Division
<br />of Federal Aid.
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