LEADER 01737oem 2200457Ia 450 001 9910697556503321 005 20080917150257.0 035 $a(CKB)5470000002389387 035 $a(OCoLC)237065529 035 $a(EXLCZ)995470000002389387 100 $a20080731d2008 ca 101 0 $aeng 120 $ab|||||||||||| 121 $a||||||||| 124 $bd 135 $aurcnu--|m|||| 181 $ccrd$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aPreliminary geologic map of the Culebra Peak Area, Sangre de Cristo Mountains, Las Animas and Costilla Counties, Colorado$b[electronic resource] /$fby Christopher J. Fridrich and Robert M. Kirkham ; U.S. Department of the Interior, U.S. Geological Survey 205 $aVersion 1.0. 210 1$a[Reston, Va.] :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2008. 215 $a1 electronic map $cHTML, digital, PDF file 225 1 $aOpen-file report ;$v2007-1428 300 $aRelief shown by contours and spot heights. 300 $aTitle from HTML index page (viewed on July 28, 2008). 300 $aIncludes location map. 320 $aIncludes bibliographical references. 606 $aGeology$zSangre de Cristo Mountains (Colo. and N.M.)$vMaps 608 $aMaps.$2lcgft 615 0$aGeology 700 $aFridrich$b C. J$g(Christopher J.)$01381984 701 $aKirkham$b Robert M$01420595 712 02$aGeological Survey (U.S.) 801 0$bGIS 801 1$bGIS 801 2$bGPO 906 $aBOOK 912 $a9910697556503321 996 $aPreliminary geologic map of the Culebra Peak Area, Sangre de Cristo Mountains, Las Animas and Costilla Counties, Colorado$93539076 997 $aUNINA