Search U.S. government technical reports digitized or harvested by TRAIL.
Analysis of haulage fatalities in coal mines :January-June 1951
Use of visual aids in the Morenci Branch safety program, Phelps Dodge Corp., Morenci, Ariz.
Falls of roof :the no. 1 killer in bituminous-coal mines
Why men were killed at Pennsylvania anthracite mines in 1950
Annual report of research and technologic work on coal :fiscal year 1950
Permissible mine equipment approved during the calendar year 1950
Mines and mineral deposits (except fuels) Gallatin County, Mont.
Ventilation-air heating plants of the Menominee Range
Allaying coal dust during operation of continuous-mining machines in Utah
Froth-flotation practice in coal-preparation plants of Western Europe and Great Britain
Bureau of Mines approval system for respiratory protective devices
Flammable materials :a lecture demonstration
Analysis of haulage fatalities in bituminous-coal mines in 1950
Process development in the hydrocarbon synthesis to 1941
Hazard of firing open, unconfined shots in coal mines
Natural-gasoline and cycle plants in the United States, January 1, 1952
Successful use of wooden roof bolts in Stony Point Mine, Stony Point Coal Co., Hopkins County, Ky.
A quarter century of fuel-oil sales :1926-50
Natural-gas statistics, 1936-50
Roof-bolting the Delaware Aqueduct
Petroleum and natural-gas research program, Bureau of Mines, fiscal year 1951
Annual report of research and technologic work on coal :fiscal year 1951
Two-way radio communication at Santa Rita Open Pit, Kennecott Copper Corp., Santa Rita, N. Mex.
Truck haulage at an iron mine in the Adirondack Mountains, New York
List of respiratory protective devices approved by the Bureau of Mines
A practical method for teaching mine workers and officials use of gas-detecting equipment
Active list of permissible explosives and blasting devices approved before December 31, 1951
Petroleum refineries, including cracking plants, in the United States, January 1, 1952
Filling with unclassified tailing in modified cut-and-fill stopes, Dayrock Mine, Wallace, Idaho
Recommendations for improved shuttle-car-haulage safety
Economies through roof bolting in an Indiana coal mine
Underground storage of natural gas in coal-mining areas
State compensatory provisions for occupational diseases
Industrial minerals of the Pacific northwest
Crude-oil and refined-products pipeline mileage in the United States :January 1, 1953
Fuels consumed for residential and commercial space heating, 1935-51
National first-aid and mine rescue contest :Columbus, Ohio, October 2, 3, and 4, 1951