01479oam 2200445 450 991070587700332120170724080312.0(CKB)5470000002453645(OCoLC)891581370(OCoLC)995470000002453645(EXLCZ)99547000000245364520140929d1969 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGeology of the Empire quadrangle Grand, Gilpin, and Clear Creek Counties, Colorado /by William A. BraddockWashington :United States Department of the Interior, Geological Survey,1969.1 online resource (iv, 56 pages) illustrations, maps +3 platesGeological Survey professional paper ;616Title from title screen (viewed September 24, 2014).Includes bibliographical references (pages 52-53) and index.Geology of the Empire quadrangle GeologyColoradoGeologyfastColoradofastGeologyGeology.Braddock William A.1929-2003,1387202Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910705877003321Geology of the Empire quadrangle3454080UNINA