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035   $a(EXLCZ)995470000002461957
100   $a20140926d1966      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aTernary diagrams of the quartz-feldspar content of pegmatites in Colorado $ea study of the composition of pegmatites in the Quartz Creek district, Gunnison County, and in the Crystal Mountain district, Larimer County, Colo. /$fby James J. Norton
210  1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1966.
210  2$aWashington :$cUnited States Government Printing Office.
215   $a1 online resource (iii, 16 pages, 1 page of plates) $cillustration
225 1 $aGeological Survey bulletin ;$v1241-D
225 1 $aContributions to general geology
300   $aTitle from title screen (viewed September 15, 2014).
320   $aIncludes bibliographical references (page 16).
517   $aTernary diagrams of the quartz-feldspar content of pegmatites in Colorado 
606   $aPegmatites$zColorado
606   $aPegmatites$2fast
607   $aColorado$2fast
615  0$aPegmatites
615  7$aPegmatites.
700   $aNorton$b James J$g(James Jennings),$f1918-2005,$01392651
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910707154103321
996   $aTernary diagrams of the quartz-feldspar content of pegmatites in Colorado$93466863
997   $aUNINA