Search U.S. government technical reports digitized or harvested by TRAIL.
Mining methods and costs at the Hecla and Star mines, Burke, Idaho
Mining method and costs at the Utah Copper Co., Bingham Canyon, Utah
Mining methods at the Morning mine of the Federal Mining and Smelting Company, Mullan, Idaho
Safety in Utah coal mining as affected by haulage
Data on metal-mine ventilation in 1929
Mining methods, practices, and costs of the Cananea Consolidated Copper Co., Sonora, Mexico
The work of the United States Bureau of Mines
Mining methods and costs at the Engels Mine, Plumas County, Calif.
Points to be considered in the design of covers for explosion-proof compartments
Danger to the public from abandoned mine workings and other property
Survey of cracking plants, January 1, 1930
Mining methods and costs at the Argonaut mine, Amador County, California
What the coal miners can do to prevent injury from falls of roof
Systematic timbering rules at the Washington coal mines
The grounding of electric systems in and around mines
Some hazards of transporting explosives in automobile trucks
The cost of accidents to industry
Safety at the mines of the Ford Collieries Co., Curtisville, Pa.
Undercut block-caving method of mining in western copper mines
Explosions in Alabama coal mines
Fatalities in Alabama coal mines
List of permissible self-contained oxygen breathing apparatus, gas masks, and hose masks
Milling method and cost at the conglomerate mill of the Calumet & Hecla Consolidated Copper Co
Mining methods and costs at the Montreal Mine, Montreal, Wis.
Methods of mining at the Black Rock Mine, Butte & Superior Mining Co., Butte District, Mont.
Mining methods and costs of the Silver King Coalition Mines Co., Park City, Utah
The mineral industry and the young engineer
Specially recommended trailing cable
Method of mining a thick coal bed in eastern Utah
Milling methods of the American Zinc Co. of Tennessee, Mascot, Tenn.
Mining bituminous coal by stripping methods
Possible utilization of natural gas for the production of chemical products
Conservation of natural gas in relation to some recent developments
Use of thermodynamical data to study the chemical reactions of metallurgical processes
Sources and distribution of major petroleum products :Atlantic Coast states, 1929
Holmes Safety certificate presentation
Industrial safety training at a mining school
Construction and Operation of the Bureau of Mines Experimental Oil-Shale Plant, 1925-1927
Work of the Safety Division of the United States Bureau of Mines :fiscal year 1930
Gallium, germanium, indium, and scandium
Permissible Electric Mine Lamps
Rock-Strata Gases of the Cripple Creek District, Colorado and Their Effect on Mining
Summarized Data of Silver Production
Zinc Smelting from a Chemical and Thermodynamic Viewpoint