Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
1127 results returnedSearch results
- Block caving at Kelley Mine, the Anaconda Co., Butte, Mont.
- Health and safety activities of the Bureau of Mines :fiscal year 1955
- Mining methods and costs at the Morning mine, American Smelting & Refining Co., Shoshone County, Idaho
- Research and technologic work on coal and related investigations :1954
- National first-aid and mine rescue contest :Knoxville, Tenn., October 10, 11, and 12, 1955
- Drill-dust collectors approved by the Bureau of Mines as of January 31, 1956
- Safety with solvents
- Water flooding of oil sands in Butler and Greenwood Counties, Kans.
- Waterborne wastes of the mineral industries, New England-New York region
- Influence of atmospheric moisture on ignition of firedamp by explosives
- Design of bolting systems to reinforce bedded mine roof
- Theory of model testing as applied to roof bolting
- Laboratory results on testing mineral-wool raw materials
- Fire and explosion hazards in thermal coal-drying plants
- Selective extraction of mercury and antimony from cinnabar-stibnite ore
- Use of torque wrench to determine load in roof bolts.
- Anchorage testing of mine-roof bolts.
- Potential ignition hazards associated with compressed-air blasting using a compressor underground
- Coal-mine-explosion research by the Bureau of Mines, 1954-55
- Production of titanium castings
- Laboratory concentration of various Alaska copper ores
- Diamond-bit performance in schist
- Use of anthrafines for producing metallurgical coke
- Studies of the Snettisham magnetite deposit, southeastern Alaska
- Anthracite mechanical-mining investigations :use of yielding steel supports (props) in combination with backfilling for mining thick, flat beds
- Principles of reinforcing bedded mine roof with bolts
- A rapid method for fluorometric determination of beryllium
- Methane buildup during cutting and continuous mining operations
- Preparation characteristics of coal from Mingo County, W. Va.
- Physical properties of mine rock, Part IV :including indexes to Parts I, II, III, and IV
- Petroleum refineries, including cracking plants, in the United States, January 1, 1956
- National annual survey of aviation fuels :1955
- Crude-oil and refined-products pipeline mileage in the United States, January 1, 1956
- National survey of burner fuel oils, 1956
- Laboratory flotation of talc from Arkansas and Texas sources
- Reconnaissance of the "Red Bed" copper deposits in Southeastern Colorado and New Mexico
- Analysis of crude shale oil.
- Titanium plant at Boulder City, Nev. :operating costs
- Cementation of bituminous-coal-mine roof strata.
- Development of a chloride volatilization process for manganese ores from Aroostook County, Maine :progress report
- Carbonizing tests with Tuscaloosa oven :use of fluid petroleum coke as a blending agent
- Anthracite mechanical-mining investigations :second testing of Brieden pneumatic packing machine
- Carbonizing properties of Somerset County, Pa., coals
- Beneficiation studies of nickeliferous ores from the Shamrock Mine, Jackson County, Oreg., and the Congress Mine, Ferry County, Wash.
- Spectrochemical analysis of titanium and titanium alloys by a porous cup-spark method
- Preliminary mineral-dressing investigation of East Texas brown iron ores
- Spectrophotometric determination of tantalum with gallic acid
- Separation of tantalum-columbium by solvent extraction
- Synthetic liquid fuels :annual report of the secretary of the interior for 1955.
- Calculating oil recoveries for solution-gas-drive reservoirs :evaluation of permissable errors in P.V.T. data and kg/ko ratios
