01683oam 2200505 450 991070861920332120170420091514.0(CKB)5470000002471037(OCoLC)891572206(OCoLC)995470000002471037(EXLCZ)99547000000247103720140929d1922 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierFossil plants from the Tertiary lake beds of south-central Colorado /by F.H. Knowlton[Washington] :[Department of the Interior, United States Geological Survey],[1923]1 online resource (20 unnumbered pages) illustrationsProfessional paper ;[131-G]Shorter contributions to general geology ;1922Title from title screen (viewed September 22, 2014).Report number from USGS web site.Includes bibliographical references.PaleobotanyTertiaryPaleobotanyColoradoPaleobotanyfastTertiary Geologic PeriodfastColoradofastPaleobotanyPaleobotanyPaleobotany.Tertiary Geologic Period.Knowlton Frank Hall1860-1926,1353956Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910708619203321Fossil plants from the Tertiary lake beds of south-central Colorado3501884UNINA