02215oam 2200553 450 991070739490332120160706154111.0(CKB)5470000002463565(OCoLC)891382782(EXLCZ)99547000000246356520140926d1971 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierUtilization of mull (forest humus layer) in geochemical exploration in the Empire district, Clear Creek County, Colorado sampling of the forest humus layer may be an effective geochemical tool in areas where the bedrock is covered by colluvium or glacial drift /by Gary C. Curtin [and four others][Washington, D.C.] :United States Department of the Interior, Geological Survey,1971.Washington :United States Government Printing Office.1 online resource (iv, 39 pages) illustrationsGeological Survey bulletin ;1278-BContributions to geochemical prospecting for mineralsTitle from title screen (viewed September 15, 2014).Includes bibliographical references (pages 15).Utilization of mull Forest soilsColoradoClear Creek CountyGeochemical prospectingColoradoClear Creek CountyOre depositsColoradoClear Creek CountyForest soilsfastGeochemical prospectingfastOre depositsfastColoradoClear Creek CountyfastForest soilsGeochemical prospectingOre depositsForest soils.Geochemical prospecting.Ore deposits.Curtin Gary C.1935-1399636Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910707394903321Utilization of mull (forest humus layer) in geochemical exploration in the Empire district, Clear Creek County, Colorado3465237UNINA