LEADER 02706oam  2200685   450 
001 9910707349203321
005 20160720134248.0
035   $a(CKB)5470000002464026
035   $a(OCoLC)889715991
035   $a(EXLCZ)995470000002464026
100   $a20140901d1992      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aRevisions of stratigraphic nomenclature within the Keweenawan supergroup of northern Michigan /$fby William F. Cannon and Suzanne W. Nicholson. Geochemistry, petrography, and volcanology of rhyolites of the Portage Lake volcanics, Keweenaw Peninsula, Michigan / by Suzanne W. Nicholson
210  1$a[Reston, Va.] :$cU.S. Department of the Interior, U.S. Geological Survey,$d1992.
210  2$a[Washington, D.C.] :$cUnited States Government Printing Office.
215   $a1 online resource (various pagings) $cillustrations, maps
225 1 $aU.S. Geological Survey bulletin ;$v1970 A-B
225 1 $aContributions to the geology and mineral resources of the midcontinent rift system
300   $aTitle from title screen (viewed Aug. 25, 2014).
320   $aIncludes bibliographical references.
606   $aGeology, Stratigraphic$yProterozoic
606   $aRhyolite$zMichigan$zKeweenaw Peninsula
606   $aVolcanic ash, tuff, etc$zMichigan
606   $aGeology, Stratigraphic$2fast
606   $aProterozoic Geologic Period$2fast
606   $aRhyolite$2fast
606   $aVolcanic ash, tuff, etc$2fast
607   $aBergland Group (Mich.)
607   $aCopper Harbor Conglomerate (Mich.)
607   $aPorcupine Volcanics (Mich.)
607   $aPortage Lake Volcanics (Mich.)
607   $aMichigan$2fast
607   $aMichigan$zBergland Group$2fast
607   $aMichigan$zCopper Harbor Conglomerate$2fast
607   $aMichigan$zKeweenaw Peninsula$2fast
607   $aMichigan$zPorcupine Volcanics$2fast
607   $aMichigan$zPortage Lake Volcanics$2fast
615  0$aGeology, Stratigraphic
615  0$aRhyolite
615  0$aVolcanic ash, tuff, etc.
615  7$aGeology, Stratigraphic.
615  7$aProterozoic Geologic Period.
615  7$aRhyolite.
615  7$aVolcanic ash, tuff, etc.
700   $aCannon$b William F.$01385819
702   $aNicholson$b Suzanne W.
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910707349203321
996   $aRevisions of stratigraphic nomenclature within the Keweenawan supergroup of northern Michigan$93479222
997   $aUNINA