02160oam 2200601 450 991070804610332120170515141305.0(CKB)5470000002470118(OCoLC)568523909(OCoLC)891401216(OCoLC)995470000002470118(EXLCZ)99547000000247011820100324d1917 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierEconomic geology of Gilpin county and adjacent parts of Clear Creek and Boulder counties, Colorado /by Edson S. Bastin and James M. HillWashington :Department of the Interior, United States Geological Survey,1917.1 online resource (379 pages) illustrations, maps +11 platesProfessional paper ;94Includes bibliographical references and index.Mines and mineral resourcesColoradoBoulder CountyMines and mineral resourcesColoradoClear Creek CountyMines and mineral resourcesColoradoGilpin CountyGeologyColoradoGeologyfastMines and mineral resourcesfastColoradofastColoradoBoulder CountyfastColoradoClear Creek CountyfastColoradoGilpin CountyfastMines and mineral resourcesMines and mineral resourcesMines and mineral resourcesGeologyGeology.Mines and mineral resources.Bastin Edson S(Edson Sunderland),1878-1953,521784Hill James M(James Madison),1884-Geological Survey (U.S.),OCLCEOCLCEOCLCQOCLCOOCLCFCOPOCLCQGPOBOOK9910708046103321Economic geology of Gilpin county and adjacent parts of Clear Creek and Boulder counties, Colorado3503888UNINA