Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
10066 results returnedSearch results
- Noise abatement of pneumatic rock drill
- Effects of increasing plastics content on recycling of automobiles,
- The reserve base of U.S. coals by sulfur content :(in two parts)
- Sulfur content of crude oils
- Geothermal energy: economic potential of three sites in Alaska
- Implications of the water pollution control act of 1972 for the mineral resource industry, a survey
- Ground support systems in block-cave mining :a survey
- Automatic fire protection systems for large haulage vehicles :prototype development and in-mine testing
- Noise control :proceedings : Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pa., January 22, 1975
- Main line natural gas sales to industrial users
- Mine power distribution :proceedings, Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pa., March 19, 1975
- Basic estimated capital investment and operating costs for underground bituminous coal mines :mines with annual production of 1.03 to 3.09 million tons from a 48-inch coalbed : revision of Information circular 8641
- Estimating direct costs of development in a block caving mine
- Noise reduction of a pneumatic rock drill
- Lead-zinc extraction from concentrates by electrolytic oxidation
- Improved properties of lead-antimony alloys by thermomechanical treatments
- Updated cost evaluation of a metal and mineral recovery process for treating municipal incinerator residues
- Recovery and separation of molybdenum and rhenium from a process solution
- Building stoppings in mines with large openings
- Processing chalcopyrite concentrates by a nitrogen roast-hydrometallurgical technique
- Effect of rock dust on explosibility of coal dust
- Impact and thermal sensitivity of commercial detonators
- Studies of sand-sulfur-asphalt paving materials
- Cutting experiments using a rotating water jet in a borehole
- Free energies of formation of ferrous and ferric fluoride by electromotive force measurements
- Radium removal from uranium ores and mill tailings
- 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
- Two-phase flow in coalbeds
- 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
- Preventing formation of copper alloys of tin, antimony, and arsenic on steel surfaces during reheating to reduce hot shortness
- 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
- Refining molten iron by sulfide-forming slags and chlorination :removal of copper, tin, and other impuritites
- Polymeric materials for sealing radon gas into the walls of uranium mines