02436oam 2200721I 450 991070818910332120150624121933.0(CKB)5600000000522022(OCoLC)881832844(EXLCZ)99560000000052202220140626d1900 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierReconnaissance in the Rio Grande coal fields of Texas /by Thomas Wayland Vaughan, including a report on igneous rocks from the San Carlos coal fields, by E.C.E. LordWashington, D.C. :Department of the Interior, United States Geological Survey,1900.Washington :Government Printing Office.1 online resource (100 pages, XI pages of plates) illustrations, mapsBulletin of the United States Geological Survey ;no. 164Title from title screen (viewed June 24, 2014).Includes bibliographical references and index.Rio Grande coal fields of TexasGeologyTexasPetrologyTexasCoalTexasGeology, StratigraphicCretaceousGeology, StratigraphicTertiaryGeology, StratigraphicEoceneCoalfastCretaceous Geologic PeriodfastEocene Geologic EpochfastGeologyfastGeology, StratigraphicfastPetrologyfastTertiary Geologic PeriodfastTexasfastGeologyPetrologyCoalGeology, StratigraphicGeology, StratigraphicGeology, StratigraphicCoal.Cretaceous Geologic Period.Eocene Geologic Epoch.Geology.Geology, Stratigraphic.Petrology.Tertiary Geologic Period.Vaughan Thomas Wayland1870-1952,809233Lord E. C. E.Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910708189103321Reconnaissance in the Rio Grande coal fields of Texas3498198UNINA