Search U.S. government technical reports digitized or harvested by TRAIL.
Diamond-drilling blast holes, Bellefonte Mine, National Gypsum Co., Centre County, Pa.
Laboratory equipment for the analysis of mine atmospheres
A selected bibliography on briquetting of coal and other carbons
Some outstanding safety records in the mining and allied industries
Mining methods of the Holden Mine, Howe Sound Co., Chelan Division, Holden, Wash.
Mining and milling methods and costs at the Little Pittsburg lead-zinc mine, Shoshone County, Idaho
Safety in blasting at Ajo, Ariz.
Outcrop and underground mine fires in Allegeny County, Pa.
Mining methods at the Vulcan iron mine, San Bernardino County, Calif.
Mining methods and practices, Potash Co. of America, Eddy County, N. Mex.
Hazards of entering old mine workings
Protection against lightning at surface and underground mining plants
An easily constructed optical bench
Use of western magnetite as ship ballast
Low-temperature carbonization of coal in Japan
Diamond-drilling blast holes, Eastern Magnetite Mine C
Safety catches on mine cages and methods of testing them
Burning refuse dumps at coal mines
List of respiratory protective devices approved by the Bureau of Mines
Bibliography of reports containing analyses of crude oils by the Bureau of Mines routine method
Annual report of research and technologic work on coal :fiscal year 1947
Blast-hole drilling with diamond drills at the Tennessee Copper Co. mines, Ducktown, Tenn.
Psychological aspects of accident prevention
Ammonium nitrate :its properties and fire and explosion hazards
Electrolytic preparation of zinc dust
Blast-hole diamond drilling in California mines
Petroleum refineries, including cracking plants in the United States, January 1, 1947
Transportation of iron ore, open-cut mines, Lake Superior district
Some observations on coking practice in Germany
Safety standards for anthracite mines
Underground metal-mine fires from cutting and welding
Interpretation of permissible limits in the breathing of toxic substances in the air
Control of roof and prevention of accidents from falls of rock and coal
Anodic deposition of manganese dioxide
Some observations on coal-mine haulage hazards
Production of lightweight concrete aggregates from clays, shales, slates, and other materials
Investigation of Vial zinc mine, Iowa County, Wis.
Investigation of the Virgilina copper district, Virginia and North Carolina
Investigation of wood chromite mine area Lancaster County, Pa.
Ignition of firedamp by explosives
Review of Bureau of Mines work on use of diesel engines underground
Investigation of Royal Princess zinc-lead deposit, Jo Daviess County, Ill.
Investigation of the Hamme tungsten district, Vance County N.C. and Mecklenburg County, Va.
Investigation of iron-ore reserves of Iron County, Utah :(supplement to R.I. 4076)