LEADER 02434oam  2200649   450 
001 9910706258303321
005 20171013111937.0
035   $a(CKB)5470000002455854
035   $a(OCoLC)891598849
035   $a(OCoLC)995470000002455854
035   $a(EXLCZ)995470000002455854
100   $a20140929d1953      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aGeology and ore deposits of the Boulder County tungsten district, Colorado /$fby T. S. Lovering and Ogden Tweto; prepared in cooperation with the State of Colorado through the Colorado Geological Survey Board and the Colorado Metal Mining Fund
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1953.
215   $a1 online resource (viii, 199 pages) $cillustrations, maps +$e27 plates
225 1 $aGeological Survey professional paper ;$v245
300   $aTitle from title screen (viewed September 29, 2014).
320   $aIncludes bibliographical references (pages 192-196) and index.
606   $aMines and mineral resources$zColorado$zBoulder County
606   $aTungsten mines and mining$zColorado$zBoulder County
606   $aTungsten ores$zColorado$zBoulder County
606   $aGeology$zColorado$zBoulder County
606   $aPetrology$zColorado$zBoulder County
606   $aGeology$2fast
606   $aPetrology$2fast
606   $aTungsten mines and mining$2fast
606   $aTungsten ores$2fast
607   $aBoulder County (Colo.)
607   $aColorado$zBoulder County$2fast
615  0$aMines and mineral resources
615  0$aTungsten mines and mining
615  0$aTungsten ores
615  0$aGeology
615  0$aPetrology
615  7$aGeology.
615  7$aPetrology.
615  7$aTungsten mines and mining.
615  7$aTungsten ores.
700   $aLovering$b T. S$g(Thomas Seward),$f1896-1991,$01392397
702   $aTweto$b Ogden$f1912-1983,
712 02$aGeological Survey (U.S.),
712 02$aColorado Geological Survey.
712 02$aColorado State Metal Mining Fund.
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910706258303321
996   $aGeology and ore deposits of the Boulder County tungsten district, Colorado$93504376
997   $aUNINA