Search U.S. government technical reports digitized or harvested by TRAIL.
A process for the recovery of gold from activated carbon by leaching and electrolysis
Investigation of Nightingale tungsten deposit, Pershing County, Nev.
Investigation of the Atolia tungsten mines, San Bernardino County, Calif.
Investigation of Cherry Creek tungsten district, White Pine County, Nev.
Investigation of Nevada Massachusetts tungsten deposits, Pershing County, Nev.
Buried Valley of the Susquehanna River: Anthracite Region of Pennsylvania
Information on the Prevention of Quarry Accidents
Statistical data on the mechanical cleaning of bituminous coal in the United States
Gas explosions and their prevention
Tunnel construction by peripheral sawing at the Fort Randall Reservoir, Pickstown, S. Dak.
Safety in hoisting at the United Verde Mine, Phelps Dodge Corp., Jerome, Ariz.
Petroleum and natural gas research program Bureau of Mines, fiscal year 1950
Suggestions for inspection of roof-bolt installations
Safety consciousness :an evaluation
Significance of laboratory tests of coal and coke for combustion
Physiological aspects of electrical accidents in the coal-mining industry
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
Investigation of Canyon Diggings zinc-lead deposit, Newton County, Mo.
Simple treatment methods for oxide gold and silver ores
Synthetic liquid fuels :annual report of the secretary of the interior for 1950
Synthetic liquid fuels :annual report of the secretary of the interior for 1950
Size of smallest particles determined in impinger dust-counting methods
Diamond orientation in diamond bits :procedures and preliminary results
A survey on the hydraulic transportation of coal
Anthracite mechanical mining investigations.
Combustion characteristics and physical properties of packaged fuels containing bituminous coal
Water flooding of oil sands in Washington, County, Okla.
Report of research and technologic work on explosives, explosions, and flames :fiscal year 1950