Search U.S. government technical reports digitized or harvested by TRAIL.
Volatilization of impuities from zinc concentrates
Mining methods and costs at Granada Gold Mines, Ltd., Rouyn, Quebec
Mining laws of New Caledonia and French Oceania
Mine explosions and fires in the United States during the fiscal year which ended June 20, 1932
Mining methods and costs at Plant C, Eliot, Calif., of the Pacific Coast Aggregates (Inc.)
Mining laws of French Indo-china
Metal-mine fires and ventilation
An international viewpoint on safeguarding electrical equipment used in gassy mines
Coke-oven accidents in the United States :during the calendar year 1932
A study of roof in Pennsylvania mines contiguous to Monongahela River
Explosions in Utah coal mines, 1900-1932
Milling methods at the lead-zinc concentrator of the International Smelting Co., Tooele, Utah
Essentials for a preliminary report on a small lode-gold mine or prospect, with notes on sampling
Use of electric power in Castle Gate No. 2 mine, Utah Fuel Co.
Mining methods and costs at the McIntyre Porcupine Mines, Ltd., Schumacher, Ontario
Petroleum and natural-gas studies of the United States Bureau of Mines
Protective clothing in the mining industry
The Experimental mine of the United States Bureau of Mines
Mining laws of the Irish Free State
Petroleum refineries, including cracking plants, in the United States, January 1, 1933
Economic aspects of gold and silver
Blasting practices as they affect the roof of coal mines in Ohio, Pennsylvania, and West Virginia
Accident prevention at the New Black Diamond Coal Mine, Washington
Design, equipment, and construction costs of Davis-Dunkirk concentrator, Prescott, Ariz.
Explosives accidents in California metal mines
Evolution of methane detecting devices for coal mines
Washability studies of coal from the Henry Ellen Bed at Acmar No. 5 Mine, Acmar, Ala.