01447oam 2200421 450 991071732580332120210512132302.0(CKB)5450000000436939(OCoLC)1126095874(EXLCZ)99545000000043693920190910d1969 ua 0engurun|||||||||txtrdacontentcrdamediacrrdacarrierSources of mining cost dataPortland, Ore :U.S. Department of the Interior, Bureau of Land Management, Portland Service Center,1969.1 online resource (4 unnumbered pages)Technical note / Bureau of Land Management ;[62]"Date issued: 11/25/69.""Filing code: 3000."Mineral industriesUnited StatesEquipment and suppliesIndustrial equipment leasesUnited StatesIndustrial equipmentUnited StatesCost of operationMineral industriesEquipment and supplies.Industrial equipment leasesIndustrial equipmentCost of operation.United States.Bureau of Land Management.Portland Service Center,BHLMRBHLMROCLCOOCLCAGPOBOOK9910717325803321Sources of mining cost data3254562UNINA