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035   $a(EXLCZ)995470000002460918
100   $a20140926d1967      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aGeology of the Eldorado Springs quadrangle, Boulder and Jefferson counties, Colorado $epetrography, stratigraphy, and structural geology of the Precambrian metamorphic and igneous rocks, Paleozoic and Mesozoic sedimentary rocks, and Cenozoic surficial deposits /$fby John D. Wells
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 (v, 85 pages, 1 page of plates) $cillustrations, color map
225 1 $aGeological Survey bulletin ;$v1221-D
225 1 $aContributions to general geology ;$v1965
300   $aTitle from title screen (viewed September 15, 2014).
320   $aIncludes bibliographical references (pages 82-85).
517   $aGeology of the Eldorado Springs quadrangle, Boulder and Jefferson counties, Colorado 
606   $aGeology$zColorado$zBoulder County
606   $aGeology$zColorado$zJefferson County
606   $aGeology$2fast
607   $aColorado$zBoulder County$2fast
607   $aColorado$zJefferson County$2fast
615  0$aGeology
615  0$aGeology
615  7$aGeology.
700   $aWells$b John David$f1926-$01386524
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910707056903321
996   $aGeology of the Eldorado Springs quadrangle, Boulder and Jefferson counties, Colorado$93529522
997   $aUNINA