Search U.S. government technical reports digitized or harvested by TRAIL.
Use of airplanes in mining and petroleum operations (abstract)
Explosions in Virginia coal mines 1893 to 1933
Wyoming coal-mine explosions, 1881-1931
Explosions in Illinois coal mines 1883 to 1932
Accident experience and cost in Virginia coal mines 1929 to 1933, inclusive
Manganese :its occurrence, milling, and metallurgy.
Leasing system as applied to metal mining
Explosions in New Mexico coal mines
Explosions in Indiana coal mines :1878 to 1933
Lead and zinc mining and milling in the United States :current practices and costs
Tabulated Analyses of Texas Crude Oils
Coal-Mine Explosions in West Virginia: 1883-1933
Manganese: Its Occurrence, Milling, and Metallurgy; Part 1
Coal-Mine Accidents in the United States, 1932
Metal-Mine Accidents in the United States During the Calendar Year 1932
Quarry Accidents in the United States During the Calendar Year 1932
Sampling and Estimation of Ore Deposits
The Occurrence of Gases in Coals
Analyses of Crude Oils From Some Fields of Southern Louisiana
Accounting System and Office-Management Procedure for Medium-Size Metal Mines
Applied Methods and Equipment for Reducing Evaporation Losses of Petroleum and Gasoline
Permissible Coal-Cutting Equipment Approved Prior to July 1, 1932
Underfeed Combustion, Effect of Preheat, and Distribution of Ash in Fuel Beds
Review of fine grinding in ore concentrators
Mine explosions and fires in the United States during the fiscal year ended June 30, 1933
Manganese :its occurrence, milling, and metallurgy : part II
Manganese :its occurrence, milling, and metallurgy : part III
The explosion and fire hazards of hydrocarbon-carbon tetrachloride mixtures
Factors that decrease the light of electric cap lamps
Beneficiating cement raw materials by agglomeration and tabling
Special multiple-shot blasting units
Survey of fuel consumption at refineries in 1933
Concentration of the potash ores of Carlsbad, New Mexico, by ore dressing methods
Effect of soot on heat transmission in small boilers
Coke-oven accidents in the United States during the calendar year 1933
Mining and milling methods at the Big Jim Mine, Oatman, Ariz.
Progress report--Metallurgical Division.