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035   $a(CKB)5470000002463258
035   $a(OCoLC)891382750
035   $a(EXLCZ)995470000002463258
100   $a20140926d1968      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDefinition of Wisconsinan Stage $ethe Wisconsinan Stage and its Altonian, Farmdalian, Woodfordian, Twocreekan, and Valderan Substages are described as time-stratigraphic units of the Pleistocene of Illinois and Wisconsin /$fby John C. Frye, H.B. Willman, Meyer Rubin, and Robert F. Black
210  1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1968.
210  2$aWashington :$cUnited States Government Printing Office.
215   $a1 online resource (iii, 22 pages) $cillustrations
225 1 $aGeological Survey bulletin ;$v1274-E
225 1 $aContributions to stratigraphy
300   $aTitle from title screen (viewed September 15, 2014).
320   $aIncludes bibliographical references (pages 20-22).
517   $aDefinition of Wisconsinan Stage 
606   $aGeology, Stratigraphic$yPleistocene
606   $aGeology$vNomenclature
606   $aGeology$zIllinois
606   $aGeology$zWisconsin
615  0$aGeology, Stratigraphic
615  0$aGeology
615  0$aGeology
615  0$aGeology
700   $aFrye$b John C$g(John Chapman),$f1912-1982,$01408760
702   $aWillman$b H. B$g(Harold Bowen),$f1901-
702   $aRubin$b Meyer
702   $aBlack$b Robert F$g(Robert Foster),$f1918-1983,
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bGPO
906   $aBOOK
912   $a9910707225303321
996   $aDefinition of Wisconsinan Stage$93493475
997   $aUNINA