Call Number (LC) Title Results
EBD C22.11-6668 Prospecting and exploration for sand and gravel 1
EBD C22.11-6670 International conference on mine safety research at Buxton, England, July 1931 1
EBD C22.11-6671 Safety progress in anthracite and bituminous coal fields 1
EBD C22.11-6672 Ten years of fatal accidents and 2 years of accident costs in Indiana coal mining 1
EBD C22.11-6673 Methods and costs of mining ferberite ore at Cold Springs mine, Nederland, Boulder County, Colo 1
EBD C22.11-6674 Shaft-sinking methods and costs, and cost of plant and equipment at Macassa mine, Kirkland Lake, Ontario 1
EBD C22.11-6675 Safety practices at Mine 1, Spring Canyon Coal Co., Utah 1
EBD C22.12-2693 to C22.12-3198 Reports of investigations of Bureau of Mines 1
EBD C22.12-2694 Present trend in flotation flow-sheets and classification of flotation feed 1
EBD C22.12-2697 Method of increasing lump-coal production, with especial reference to southern Illinois 1
EBD C22.12-2698 Barium polysulfide in sulphidizing oxidized ores for flotation 1
EBD C22.12-2700 Present status of differential flotation 1
EBD C22.12-2704 Welfare and safety in connection with mining in Utah 1
EBD C22.12-2705 Calcium sulphate retarders for Portland cement clinker 1
EBD C22.12-2708 Miscellaneous analyses of foreign coals 1
EBD C22.12-2710 Gas hazards in street manholes 1
EBD C22.12-2711 Falls of roof and coal in bituminous coal mines 1
EBD C22.12-2712 Temperature control system for dressing and tempering fishtail bits 1
EBD C22.12-2718 Diatomaceous earth (with special reference to Nevada) 1
EBD C22.12-2719 Gas mask for protection in air against all gases, vapors, and smokes 1