01941nam 2200481 450 991070763000332120161012141217.0(CKB)5470000002466240(OCoLC)960463929(EXLCZ)99547000000246624020161012d1972 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierStratigraphic nomenclature of Cambrian and Lower Ordovician rocks of easternmost southern Arizona and adjacent westernmost New Mexico /by Philip T. Hayes[Washington, D.C.] :United States Department of the Interior, Geological Survey,1972.Washington :United States Government Printing Office.1 online resource (iii, 21 pages) illustrationsGeological Survey bulletin ;1372-BContributions to stratigraphy"The areal extent is expanded for four stratigraphic units and restricted for one unit, and one term is abandoned."Includes bibliographical references (pages 20-21).Cambrian-Ordovician rocks, Arizona and New MexicoGeology, StratigraphicOrdovicianGeology, StratigraphicCambrianGeology, StratigraphicNomenclatureGeologyArizonaGeologyNew MexicoGeology, StratigraphicGeology, StratigraphicGeology, StratigraphicGeologyGeologyHayes Philip T(Philip Thayer),1923-1386967Geological Survey (U.S.),GPOGPOBOOK9910707630003321Stratigraphic nomenclature of Cambrian and Lower Ordovician rocks of easternmost southern Arizona and adjacent westernmost New Mexico3436323UNINA