LEADER 01490oam  2200469   450 
001 9910711547303321
005 20181108110116.0
035   $a(CKB)5470000002484579
035   $a(OCoLC)953259218
035   $a(OCoLC)995470000002484579
035   $a(EXLCZ)995470000002484579
100   $a20160708d1950      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDetailed sections of pre-Pennsylvanian rocks along the Front Range of Colorado /$fby John C. Maher
210  1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1950.
215   $a1 online resource (ii, 20 pages) $cmap
225 1 $aGeological Survey circular ;$v68
320   $aIncludes bibliographical references (page 20).
606   $aGeology$zFront Range (Colo. and Wyo.)
606   $aGeology$zColorado
606   $aGeology$2fast
607   $aColorado$2fast
607   $aRocky Mountains$2fast
615  0$aGeology
615  0$aGeology
615  7$aGeology.
700   $aMaher$b John C$g(John Charles),$f1914-$01386436
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910711547303321
996   $aDetailed sections of pre-Pennsylvanian rocks along the Front Range of Colorado$93500882
997   $aUNINA