Search U.S. government technical reports digitized or harvested by TRAIL.
Drillability determination :a drillability index for percussion drills
Evaluation of refractories for mineral wool furnaces
Continuous flotation of high-clay potash ores
Enthalpies of formation of cupric and cuprous bromides
Dust generation and comminution of coal
Recovery of silicon carbide from granite sludge
Nitride intermediates in the preparation of columbium, vanadium, and tantalum metals(in two parts) :
Phosphoric acid by direct sulfuric acid digestion of Florida land-pebble matrix
Recovering polyurethane foam and other plastics from auto-shredder reject
Rotary drilling holes in coalbeds for degasification
Tilt precursors in rock before failure :a laboratory investigation
Electrowinning of copper from chloride solutions
Characterization studies of Florida phosphate slimes
Selected geologic factors affecting mining of the Pittsburgh coalbed
Elastic-plastic stability analysis of mine-waste embankments
Copper-nickel mineralization in a drill core from the Duluth Complex of northern Minnesota
Dewatering electrochemical machining sludge
Recovery of mercury from cinnabar ores by electrooxidation :extraction plant amenability tests
Fluosilicic acid acidulation of phosphate rock
Laboratory studies of yielding rock bolts
Polymeric materials for sealing radon gas into the walls of uranium mines
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
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
The reserve base of coal for underground mining in the Western United States
Analyses of natural gases, 1974
Blasting tests in a porphyry copper deposit in preparartion for in situ extraction
Long-distance coal transport :unit trains or slurry pipelines