01779oam 2200457I 450 991070699180332120180627141529.0(CKB)5470000002459556(OCoLC)1010735833(OCoLC)995470000002459556(EXLCZ)99547000000245955620171107d1971 ua 0engurun||||a|a||txtrdacontentcrdamediacrrdacarrierGeophysical measurements of gold-bearing gravels, Nevada County, Calif. /by Benton L. Tibbets and James H. Scott[Washington, D.C.] :United States Department of the Interior, Bureau of Mines,1971.1 online resource (ii, 32 pages, 4 unnumbered pages) illustrations, mapsReport of investigations / United States Department of the Interior, Bureau of Mines ;7584Includes bibliographical references (page 32).ProspectingCaliforniaNevada CountyGeophysical methodsGold mines and miningCaliforniaNevada CountyGold mines and miningfastProspectingGeophysical methodsfastCaliforniaNevada CountyfastProspectingGeophysical methods.Gold mines and miningGold mines and mining.ProspectingGeophysical methods.Tibbetts Benton L(Benton Lawrence),1410951Scott James H.United States.Bureau of Mines,OCLCEOCLCEGPOBOOK9910706991803321Geophysical measurements of gold-bearing gravels, Nevada County, Calif3500946UNINA