LEADER 01659oam  2200505   450 
001 9910711829803321
005 20190212080606.0
035   $a(CKB)5470000002487786
035   $a(OCoLC)953694594
035   $a(OCoLC)995470000002487786
035   $a(EXLCZ)995470000002487786
100   $a20160718d1968      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aUtilization of humus-rich forest soil (mull) in geochemical exploration for gold /$fby Gary C. Curtin [and three others]
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1968.
215   $a1 online resource (iii, 11 pages) $cillustrations, maps
225 1 $aGeological Survey circular ;$v562
320   $aIncludes bibliographical references (page 4).
517   $aUtilization of humus-rich forest soil 
606   $aGeochemical prospecting
606   $aHumus
606   $aGold ores$zColorado$zClear Creek County
606   $aGeochemical prospecting$2fast
606   $aGold ores$2fast
615  0$aGeochemical prospecting.
615  0$aHumus.
615  0$aGold ores
615  7$aGeochemical prospecting.
615  7$aGold ores.
700   $aCurtin$b Gary C.$f1935-$01399636
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCA
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910711829803321
996   $aUtilization of humus-rich forest soil (mull) in geochemical exploration for gold$93516988
997   $aUNINA