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035   $a(CKB)5470000002463891
035   $a(OCoLC)885120977
035   $a(EXLCZ)995470000002463891
100   $a20140802d1960      ua             0
101 0 $aeng
135   $aurn||||||||||
181   $ccri$2rdacontent
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aGeology and fluorspar deposits, Northgate district, Colorado /$fby Thomas A. Steven
210  1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1960.
210  2$aWashington, D.C. :$cGovernment Printing Office.
215   $a1 online resource (v, 323-422 pages, 4 pages of plates) $cillustrations, maps
225 1 $aContributions to economic geology
225 1 $aGeological Survey bulletin ;$v1082-F
300   $a"Prepared in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund Board."
300   $aTitle from title screen (viewed July 23, 2014).
320   $aIncludes bibliographical references (pages 417-420) and index.
606   $aFluorspar$zColorado
606   $aGeology$zColorado
615  0$aFluorspar
615  0$aGeology
700   $aSteven$b Thomas A$g(Thomas August),$f1917-2013,$01388925
712 02$aColorado Geological Survey,
712 02$aColorado State Metal Mining Fund,
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bTRAAL
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910707362603321
996   $aGeology and fluorspar deposits, Northgate district, Colorado$93483167
997   $aUNINA