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References 0 <br />F. V. Hayden, Geological and Gdo ra hical Atlas of Colorado, <br />Department of rile Inte it or, Unite States Ge7ogic�— <br />and Geographical Surveys of the Territories, 1877, <br />Julius Bien, Lith. <br />United States Department of the Interior Geological Survey, <br />Howard Canyon Quadrangle, Colorado - Mesa County 7.5 <br />Minutes Series Topographic), USGS, Denver, Colorado <br />80225, 1968 <br />United States Department of the Interior, USGS, Geologic <br />and Structure Map of the Grand Junction Quadrangle, <br />Colorado and Utah, Compiled by William B. Cashion, <br />I�73- <br />v <br />i <br />