02060oam 2200517I 450 991070407620332120240124232837.0(CKB)5470000002436890(OCoLC)886546721(EXLCZ)99547000000243689020140812d1984 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierPorvenir formation (new name)--and other revisions of nomenclature of Mississippian, Pennsylvanian, and lower Permian rocks, southeastern Sangre de Cristo Mountains, New Mexico /by Elmer H. Baltz and Donald A. Myers[Reston, Va.] :United States Department of the Interior, Geological Survey,1984.Washington :United States Government Printing Office.1 online resource (iii, 39 pages) illustrations, mapsContributions to stratigraphyGeological Survey bulletin ;1537-BTitle from title screen (viewed Aug. 4, 2014).Includes bibliographical references (pages 36-39).Porvenir formationGeology, StratigraphicPaleozoicGeology, StratigraphicNomenclatureGeology, StratigraphicfastPaleozoic Geologic PeriodfastTerminology.fastGeology, StratigraphicGeology, StratigraphicGeology, Stratigraphic.Paleozoic Geologic Period.Baltz Elmer H(Elmer Harold),1927-2015,1542381Myers Donald A.1921-Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910704076203321Porvenir formation (new name)--and other revisions of nomenclature of Mississippian, Pennsylvanian, and lower Permian rocks, southeastern Sangre de Cristo Mountains, New Mexico3795102UNINA