01880oam 2200577 450 991070389520332120150623151426.0(CKB)5470000002434775(OCoLC)760970909(OCoLC)881832816(EXLCZ)99547000000243477520111114d1898 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierThe lower Cretaceous Gryphæas of the Texas region /by Robert Thomas Hill and Thomas Wayland VaughanWashington, D.C. :Department of the Interior, United States Geological Survey,1898.Washington :Government Printing Office.1 online resource (139 pages, XXXV pages of plates) illustrationsBulletin of the United States Geological Survey ;no. 151Title from title screen (viewed June 23, 2015).Includes bibliographical references and index.GryphaeaPaleontologyTexasPaleontologyCretaceousCretaceous Geologic PeriodfastGryphaeafastPaleontologyfastTexasfastGryphaea.PaleontologyPaleontologyCretaceous Geologic Period.Gryphaea.Paleontology.Hill Robert Thomas1858-1941,291039Vaughan Thomas Wayland1870-1952,Geological Survey (U.S.),OCLCEOCLCEOCLCQOCLCFOCLCQOCLCOCOPGPOBOOK9910703895203321The lower Cretaceous Gryphæas of the Texas region3441753UNINA