Search U.S. government technical reports digitized or harvested by TRAIL.
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.
Accident experience of four Louisiana petroleum refineries
Review of Illinois coal-mine fatalities for 1933
Manganese :its occurrence, milling, and metallurgy : part IV
Ore-dressing bibliography, 1931-1932
Summary of ore-mining cost data
Trends in practice and costs of concentrating copper ores
Value of the cooperative method in first-aid training
Safety conditions in Liberty Mine, Liberty Fuel Co., Latuda, Utah
Explosions in Kentucky coal mines, January 1, 1884-June 30, 1933
Natural-gasoline plants in the United States :January 1, 1934