LEADER 02215oam  2200553   450 
001 9910707394903321
005 20160706154111.0
035   $a(CKB)5470000002463565
035   $a(OCoLC)891382782
035   $a(EXLCZ)995470000002463565
100   $a20140926d1971      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aUtilization of mull (forest humus layer) in geochemical exploration in the Empire district, Clear Creek County, Colorado $esampling of the forest humus layer may be an effective geochemical tool in areas where the bedrock is covered by colluvium or glacial drift /$fby Gary C. Curtin [and four others]
210  1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1971.
210  2$aWashington :$cUnited States Government Printing Office.
215   $a1 online resource (iv, 39 pages) $cillustrations
225 1 $aGeological Survey bulletin ;$v1278-B
225 1 $aContributions to geochemical prospecting for minerals
300   $aTitle from title screen (viewed September 15, 2014).
320   $aIncludes bibliographical references (pages 15).
517   $aUtilization of mull 
606   $aForest soils$zColorado$zClear Creek County
606   $aGeochemical prospecting$zColorado$zClear Creek County
606   $aOre deposits$zColorado$zClear Creek County
606   $aForest soils$2fast
606   $aGeochemical prospecting$2fast
606   $aOre deposits$2fast
607   $aColorado$zClear Creek County$2fast
615  0$aForest soils
615  0$aGeochemical prospecting
615  0$aOre deposits
615  7$aForest soils.
615  7$aGeochemical prospecting.
615  7$aOre deposits.
700   $aCurtin$b Gary C.$f1935-$01399636
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910707394903321
996   $aUtilization of mull (forest humus layer) in geochemical exploration in the Empire district, Clear Creek County, Colorado$93465237
997   $aUNINA