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100   $a20140926d1967      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aMafic-ultramafic layered intrusion at Iron Mountain, Fremont County, Colorado $emafic and ultramafic rocks occur in a small layered funnel-shaped intrusive complex associated with younger alkalic rocks of the McClure Mountain Complex /$fby Daniel R. Shawe and Raymond L. Parker
210  1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1967.
210  2$aWashington :$cUnited States Government Printing Office.
215   $a1 online resource (iv, 28 pages, 1 page of plates) $cillustrations, maps (some color)
225 1 $aGeological Survey bulletin ;$v1251-A
225 1 $aContributions to general geology
300   $aTitle from title screen (viewed September 15, 2014).
320   $aIncludes bibliographical references (pages 27-28).
517   $aMafic-ultramafic layered intrusion at Iron Mountain, Fremont County, Colorado 
606   $aPetrology$zColorado$zFremont County
606   $aRocks$xAnalysis
606   $aPetrology$2fast
606   $aRocks$xAnalysis$2fast
607   $aColorado$zFremont County$2fast
615  0$aPetrology
615  0$aRocks$xAnalysis.
615  7$aPetrology.
615  7$aRocks$xAnalysis.
700   $aShawe$b Daniel R.$f1925-$01384922
702   $aParker$b Raymond L$g(Raymond Laurence),
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910707297703321
996   $aMafic-ultramafic layered intrusion at Iron Mountain, Fremont County, Colorado$93538499
997   $aUNINA