01816oam 2200565 450 991070568210332120170505112105.0(CKB)5470000002451573(OCoLC)576351519(OCoLC)297754581(OCoLC)891572427(OCoLC)995470000002451573(EXLCZ)99547000000245157320100326d1938 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierThe San Juan country a geographic and geologic reconnaissance of southeastern Utah /by Herbert E. Gregory, with contributions by Malcolm R. ThorpeWashington :United States Department of the Interior, Geological Survey,1938.1 online resource (v, 123 pages) illustrations, mapsProfessional paper ;188Includes bibliographical references and index.San Juan country GeologyUtahSan Juan CountyPhysical geographyUtahSan Juan CountyGeologyfastPhysical geographyfastUtahSan Juan CountyfastGeologyPhysical geographyGeology.Physical geography.Gregory Herbert E(Herbert Ernest),1869-1952,129586Thorpe Malcolm Rutherford1891-1957,Geological Survey (U.S.),OCLCEOCLCEOCLCQOCLCOOCLCAOCLCQOCLCFOCLCACOPOCLCQGPOBOOK9910705682103321The San Juan country3493928UNINA