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035   $a(CKB)5470000002422742
035   $a(OCoLC)801694059
035   $a(EXLCZ)995470000002422742
100   $a20120725d2012      ua         0
101 0 $aeng
135   $aurmn||||a||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 14$aThe systematic geologic mapping program and a quadrangle-by-quadrangle analysis of time-stratigraphic relations within oil shale-bearing rocks of the Piceance Basin, western Colorado$b[electronic resource] /$fby Ronald C. Johnson
210  1$a[Reston, Va.] :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d[2012]
215   $a1 online resource (iv, 28 pages) $ccolor illustrations, color maps
225 1 $aScientific investigations report ;$v2012-5041
300   $aTitle from title screen (viewed July 25, 2012).
320   $aIncludes bibliographical references (pages 22-28)
606   $aGeology$zColorado$zPiceance Creek Basin
606   $aOil-shales$zColorado$zPiceance Creek Basin
615  0$aGeology
615  0$aOil-shales
700   $aJohnson$b Ronald C$g(Ronald Carl),$f1950-$01381625
712 02$aGeological Survey (U.S.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910701937803321
996   $aThe systematic geologic mapping program and a quadrangle-by-quadrangle analysis of time-stratigraphic relations within oil shale-bearing rocks of the Piceance Basin, western Colorado$94137645
997   $aUNINA