01965oam 2200517 450 991070722530332120160624154828.0(CKB)5470000002463258(OCoLC)891382750(EXLCZ)99547000000246325820140926d1968 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierDefinition of Wisconsinan Stage the Wisconsinan Stage and its Altonian, Farmdalian, Woodfordian, Twocreekan, and Valderan Substages are described as time-stratigraphic units of the Pleistocene of Illinois and Wisconsin /by John C. Frye, H.B. Willman, Meyer Rubin, and Robert F. Black[Washington, D.C.] :United States Department of the Interior, Geological Survey,1968.Washington :United States Government Printing Office.1 online resource (iii, 22 pages) illustrationsGeological Survey bulletin ;1274-EContributions to stratigraphyTitle from title screen (viewed September 15, 2014).Includes bibliographical references (pages 20-22).Definition of Wisconsinan Stage Geology, StratigraphicPleistoceneGeologyNomenclatureGeologyIllinoisGeologyWisconsinGeology, StratigraphicGeologyGeologyGeologyFrye John C(John Chapman),1912-1982,1408760Willman H. B(Harold Bowen),1901-Rubin MeyerBlack Robert F(Robert Foster),1918-1983,Geological Survey (U.S.),COPCOPOCLCOGPOBOOK9910707225303321Definition of Wisconsinan Stage3493475UNINA