LEADER 01924oam  2200457   450 
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035   $a(OCoLC)889723476
035   $a(EXLCZ)995470000002451256
100   $a20140901d1996      ua             0
101 0 $aeng
135   $aurn||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aCambrian(?), Middle Proterozoic, and Archean rocks penetrated in a borehole near Argenta, Beaverhead County, Montana, and some paleogeographic and structural implications /$fby Robert C. Pearson
210  1$aWashington :$cUnited States Government Printing Office,$d1996.
215   $a1 online resource (iii, 15 pages) $cillustrations, maps
225 1 $aU.S. Geological Survey bulletin ;$v2121-B
225 1 $aBelt supergroup in the Highland Mountains and probable equivalent rocks in the Pioneer and Anaconda ranges, southwestern Montana
300   $aTitle from title screen (viewed August 28, 2014).
300   $aAlso available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).
320   $aIncludes bibliographical references (pages 14-15).
517   $aCambrian
606   $aBorings$zMontana$zArgenta Region
606   $aGeology, Structural$zMontana$zArgenta Region
606   $aRocks$zMontana$zArgenta Region
615  0$aBorings
615  0$aGeology, Structural
615  0$aRocks
700   $aPearson$b Robert Carl$f1926-$01393158
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bGPO
906   $aBOOK
912   $a9910705413503321
996   $aCambrian(?), Middle Proterozoic, and Archean rocks penetrated in a borehole near Argenta, Beaverhead County, Montana, and some paleogeographic and structural implications$93529450
997   $aUNINA