Search U.S. government technical reports digitized or harvested by TRAIL.
Washability studies of coal from the Henry Ellen Bed at Acmar No. 5 Mine, Acmar, Ala.
Coal-Mine Accidents in the United States: 1931
Metal-Mine Accidents in the United States During the Calendar Year 1931
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
Accidents at metallurgical works in the United States during the calendar year 1932
Iron Oxide Mineral Pigments of the United States
Some physical properties and characteristics of fuse
Formulas for designing natural-gas pipe-line systems consisting of parallel lines
Progress report - metallurgical division.
Classification and tabling of Alabama red iron ores
Trade trends in the lime industry
Progress report - metallurgical division.
Progress report - metallurgical division.
Survey of fuel consumption at refineries in 1934
Progress report - metallurgical division.
Progress report - metallurgical division.
Progress report - metallurgical division.
Soluability of carbon in iron-manganese-silicon alloys
A study of the properties of Texas - New Mexico polyhalite relating to the extraction of potash.
Review of Illinois coal-mine fatalities for 1933
Table cleaning of fine coal from the Thompson and Woodstock beds of the Cahaba Field, Alabama
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
Progress report - metallurgical division.
The flotation of Alabama graphite ores
Temperature-viscosity measurements in the systems CaO-SiO₂and CaO-SiO₂-CaF₂
Dry cells and their application to mining
Natural-gasoline plants in the United States :January 1, 1934