01549oam 2200493 450 991070862220332120170419110544.0(CKB)5470000002471007(OCoLC)891572127(OCoLC)995470000002471007(EXLCZ)99547000000247100720140929g19231924 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierOrigin of the boghead coals /by Reinhardt Thiessen[Washington] :[Department of the Interior, United States Geological Survey],[1925]1 online resource (30 unnumbered pages) illustrations, mapsShorter contributions to general geology ;1923-1924Professional paper ;[132-I]Title from title screen (viewed September 22, 2014).Report number from USGS web site.Includes bibliographical references.CoalGeologyTorbaniteBituminous coalCoalGeologyfastCoalGeology.Torbanite.Bituminous coal.CoalGeology.Thiessen Reinhardt1867-1938,1399041Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910708622203321Origin of the boghead coals3463647UNINA