01777oam 2200517 450 991070771810332120161118144411.0(CKB)5470000002467371(OCoLC)885281630(EXLCZ)99547000000246737120140805d1977 uad 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierNomenclature of Precambrian rocks in Colorado /by Ogden Tweto[Washington, D.C.] :United States Department of the Interior, Geological Survey,1977.Washington :United States Government Printing Office.1 online resource (iii, 22 pages) mapGeological Survey bulletin ;1422-DContributions to stratigraphy"An appraisal of existing nomenclature and measures needed for improvement."Includes bibliographical references (pages 16-22).GeologyColoradoNomenclatureGeology, StratigraphicNomenclatureGeology, StratigraphicPrecambrianGeology, StratigraphicfastPrecambrian Geologic PeriodfastTerminology.fastGeologyGeology, StratigraphicGeology, StratigraphicGeology, Stratigraphic.Precambrian Geologic Period.Tweto Ogden1912-1983,1393605Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910707718103321Nomenclature of Precambrian rocks in Colorado3542632UNINA