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dolomieui). No rare species were collected. Water quality and macro- <br />invertebrates were also described. Data on physical and <br />chemical parameters, benthic flora and fauna, and fishes were presented by <br />the Utah Wildlife Resources Division (1977) in their input to the White <br />River Environmental Impact Statement. A report on a BLM-sponsored study <br />of endemic fishes in the White River in Utah is in preparation by S. Lanigan, <br />C. Berry and D. Robinson of Utah State University. <br />Physical and chemical data on the White River are available pri- <br />marily from four sources. U.S. Geological Survey data on discharge, sediment <br />and temperature from permanent and temporary gaging stations in the upper <br />Colorado River basin were compiled by Iorns, Hembree, Phoenix and Oakland <br />(1964) and Iorns, Hembree and Oakland (1965). A report of the Colorado <br />Water Conservation Board (1966) summarized data on the water resources of <br />the White River basin in Colorado, and water quality in the White River in <br />Colorado was determined by the Environmental Protection Agency (1977), <br />A summary of fish species reported in the literature on the White <br />River in Colorado and Utah is presented in Table 2. Invertebrate, physical <br />and chemical data were considered too detailed to conveniently summarize in <br />a similar manner. <br />Yampa River <br />The Yampa River., which served as Powe <br />on his first expedition to the Colorado River <br />one of the major rivers in northern Colorado, <br />of the early work on this river was conducted <br />management. Feast (1938) described the Yampa <br />its whitefish population very briefly. Klein <br />11's route to the Green River <br />in 1869 (Howard 1978), is <br />As on the White River, much <br />to facilitate sport-fish <br />River drainage and discussed <br />(1952) briefly mentioned <br />12 <br />