Search U.S. government technical reports digitized or harvested by TRAIL.
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
Development of sand and gravel deposits
Manganese :general Information
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
The present status of the mineral industry
Working an underground mine 6 years without lost-time accidents
Mining laws of British North Borneo
List of permissible mine equipment
Explosions in Pennsylvania coal mines, 1870-1932
Accident experience and costs in Colorado metal mines
Mining laws of French Equatorial Africa, West Africa, Cameroun, and Togo
Milling methods and costs at the Golden Cycle Mill, Colorado Springs, Colo.