Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
10066 results returnedSearch results
- Electrolytic preparation of titanium and zirconium diborides from their oxides and mineral concentrates
- Replacing brattice cloth at coal faces with air curtains and diffuser fans,a preliminary study
- Methods for sampling noncombustible content of coal mine dust
- Evaluation of an 8-foot-diameter flexible liner installation in the Burgin Mine, Eureka, Utah
- Capital and labor requirements for iron ore mining and beneficiating
- Continuous monitoring system for mine gas concentrations using tube bundles
- Composition of lead sinter
- Thermomechanical method for secondary breakage of hard rocks
- Using oxygen to reactivate a nearly dormant copper sulfide leach
- Isotopic purification of helium by differential distillation below the lambda-point
- Low-temperature heat capacities and enthalpy of formation of copper oxysulfate
- Dust suppression with water sprays during continuous coal mining operations
- Decomposition reactions of nitrogen oxides in direct current glow discharges
- Improved method to predict multiphase waterflood performance for constant rates or pressures
- Thermodynamic data for Mg(OH)₂ (Brucite)
- Recovering metal from nonmagnetic auto-shredder reject
- Reduction of zinc sulfide with iron
- Beneficiation of Alabama clays
- Depth and producing rate classification of petroleum reservoirs in the United States, 1971
- Characterizing combustible portions of urban refuse for potential use as fuel
- A Fortran routine reorganizer
- The reserve base of coal for underground mining in the Western United States
- Analyses of natural gases, 1974
- Detection and delineation of faults by surface resistivity measurements:Canada mine, Caribou County, Idaho
- Blasting tests in a porphyry copper deposit in preparartion for in situ extraction
- Long-distance coal transport :unit trains or slurry pipelines
- Field testing the microminerresearch continuous miner
- Rio Blanco massive hydraulic fracturing demonstration
- Using handheld infrared imagers to locate miners in smoke-filled mine openings
- Parachute stopping :preliminary experiments
- Coal-pyrite flotation :a modified technique using concentrated second-stage pulp
- Continuous gas monitoring using tube bundles at the Joanne mine fire
- Construction of an interface between a minicomputer and an X, Y digitizer,
- Hydraulic sandfill in deep metal mines,
- Wet chemical methods for analyzing taconite, iron ore, and metallurgical products,
- Pumped-slurry backfilling of inaccessible mine workings for subsidence control
- The Florida phosphate slimes problem:a review and a bibliography,
- Methods and costs of dust control in stone crushing operations.
- Impact of changing technology on the demand for metallurgical coal and coke produced in the United States to 1985
- FRACTAN: a computer code for analysis of clusters defined on the unit hemisphere,
- Comparative asbestos mining and processing costs - Alaska versus Yukon Territory
- Basic estimated capital investment and operating costs for underground bituminous coal mines :mines with annual production of 1.06 to 4.99 million tons from a 72-inch coalbed
- ARPA-Bureau of Mines rock mechanics and rapid excavation program :a research project summary
- Strip-mining techniques to minimize environmental damage in the upper Missouri River Basin states
- Proceedings of the Symposium on the Use of Diesel-powered Equipment in Underground Mining, Pittsburgh, Pa., January 30-31, 1973
- The reserve base of U.S. coals by sulfur content :(in two parts) 1. The Eastern States
- Limited field tests in electrokinetic densification of mill tailings
- Properties of Utah tar sands--south Seep Ridge area, P.R. Spring deposit
- Analyses of tipple and delivered samples of coal:collected during fiscal year 1974
- Thermodynamic properties of the Al-Ni system
