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<br />;,.} <br /> <br />CONTENTS (Continued) <br /> <br />Reports of' Cooperating Agencies (Continued) <br />Corps of Engineers (Continued) <br /> <br />Report of November 1963 (continued) <br />Flood damages (continued) <br />Proposed improvements affecting the <br />flood problem . . . . . . . . . . <br />Modification of design. . . . . . . <br />Effect of operation of Ridgway Dam <br />and Reservoir . . . . . . <br />Benefits from prevention of flood <br />damages . . . . . <br />Intangible benefits <br /> <br />Page <br /> <br />Summary. . . . . . . . <br /> <br />132 <br />133 <br /> <br />133 <br /> <br />133 <br />134 <br />134 <br /> <br />Bureau of Mines <br /> <br />... ~) <br />'7- :;;.- -~\ <br /> <br />Letter of September 20, 1974. <br />Report of November 1972 <br /> <br />Su=ary. . . . . <br />Introduction . . . . <br />Acknowledgments. . . <br />Location and accessibility <br />Physical and cultural features <br />Geology. . . . . . <br />Mineral resources. <br />Sand and gravel <br />Gold and silver <br />Coal. . . . <br />Oil and gas . . <br />Conclusions. <br />Report of March 1963, revised September <br /> <br />Swmnary. . . . . . . <br />Introduction . . . . <br />Location and physical features . <br />Description of dam and reservoir <br />Land ownership . '. <br />Geology. . . . . . <br />Mineral resources. <br />Vein deposits . <br />Uranium-vanadium. . . <br />Chromium. <br />Coal. . . . <br />Salt. . . . <br />Oil and gas <br />Conclusions. . <br /> <br />vi <br />