LEADER 01939oam  2200553   450 
001 9910707463303321
005 20160817162300.0
035   $a(CKB)5470000002464894
035   $a(OCoLC)889723513
035   $a(EXLCZ)995470000002464894
100   $a20140901d1997      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aClastic rocks associated with the Midcontinent Rift System in Iowa /$fby Raymond R. Anderson and Robert M. McKay
210  1$a[Reston, Va.] :$cU.S. Department of the Interior, U.S. Geological Survey,$d1997.
210  2$a[Washington, D.C.] :$cUnited States Government Printing Office.
215   $a1 online resource (145 pages) $cillustrations, maps
225 1 $aU.S. Geological Survey bulletin ;$v1989-I
225 1 $aStrategic and critical minerals in the midcontinent region, United States ;$vch. I
300   $aTitle from title screen (viewed Aug. 28, 2014).
320   $aIncludes bibliographical references (pages 138-140).
606   $aGeology$zIowa
606   $aGeology, Stratigraphic$yProterozoic
606   $aGeology$2fast
606   $aGeology, Stratigraphic$2fast
606   $aProterozoic Geologic Period$2fast
607   $aKeweenawan Rift
607   $aIowa$2fast
607   $aNorth America$zKeweenawan Rift$2fast
615  0$aGeology
615  0$aGeology, Stratigraphic
615  7$aGeology.
615  7$aGeology, Stratigraphic.
615  7$aProterozoic Geologic Period.
700   $aAnderson$b Raymond R.$091081
702   $aMcKay$b Robert M.
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910707463303321
996   $aClastic rocks associated with the Midcontinent Rift System in Iowa$93533939
997   $aUNINA