01785oam 2200541 450 991069862940332120150930165045.0(CKB)5470000002436353(OCoLC)882365521(OCoLC)785407587(EXLCZ)99547000000243635320140701d1910 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierCoal fields of northwestern Colorado and northeastern Utah /by Hoyt S. GaleWashington, D.C. :Department of the Interior, United States Geological Survey,1910.Washington :Government Printing Office.1 online resource (265 pages, XXII pages of plates) illustrations, mapsGeological Survey bulletin ;415Title from title screen (viewed June 30, 2014).Includes bibliographical references and index.Coal mines and miningColoradoCoal mines and miningUtahCoalGeologyfastCoal mines and miningfastCoalfieldsfastColoradofastUtahfastCoal mines and miningCoal mines and miningCoalGeology.Coal mines and mining.Coalfields.Gale Hoyt S(Hoyt Stoddard),1876-1952,1393049Geological Survey (U.S.),COPCOPOCLCOCODOCLCFOCLCAGPOBOOK9910698629403321Coal fields of northwestern Colorado and northeastern Utah3478068UNINA