Search U.S. government technical reports digitized or harvested by TRAIL.
Preparation characteristics of coal from the Ohio coalfield
High-speed photography studies of laboratory cratering in Tennessee marble plates
Electrostatic separation with photoelectric charging
An experiment in seismic holography
Mass spectra and analytical correlations for 32 alkyl aryl sulfides
Blending crushed coal by recycling through a bin equipped with a particle distributor
Natural gas as an automotive fuel,an experimental study
Gold-lode deposits, Fairbanks Mining District, Central Alaska
Refining improvement of shale-oil naphtha
In situ retorting of oil shale :results of two field experiments
Recovery of mercury from cinnabar ores by electrooxidation
An automatic data acquisition system for underground measurements
Tunneling machine research :development of an experimental full-scale research rock cutting device
Use of char to improve physical quality of coke from Sunnyside (Utah) coal
Technologic trends in the minerals industry, 1971
Flotation of pyrite from coal :pilot plant study
Kinetics of CO reduction of hematite to magnetite and the effect of silica
Electrophoresis and coagulation studies of some Florida phosphate slimes
Evaluation of instrumentation for measuring behavior of aerosols in smog-chamber studies
Some effects of pressure on the hydrocracking of crude shale oil over cobalt molybdate catalyst
Catalytic activity of rare-earth oxides for the oxidation of hydrogen
Flotation of Marquette Range nonmagnetic taconite using innovative procedures
Oxygenates in automotive exhausts :effect of an oxidation catalyst
Controlled-atmosphere system for testing gas monitors
Preparation characteristics and desulfurization potential of Iowa coals
Subsidence due to underground mining(in two parts)
Subsidence due to underground mining(in two parts)
An economic analysis of the junk automobile problem.
Technologic and related trends in the mineral industries, 1972
Availability of rhenium in the United States
Removing pyrite from coal by dry-separation methods
Studies on recovering rutile from titanium-enriched high-iron smelter slag
Directional properties of coal and their utilization in underground gasification experiments
Airborne asbestos fiber concentrations in asbestos mines and mills in the United States
Computerized system for quantitative X-ray diffraction analysis of pyrite in coal
Predicting probable roof fall areas in advance of mining by geological analysis
Simulated in situ leaching of copper from a porphyry ore
Detecting hot areas in dumps with a handheld, infrared scanner
Copper recovery from chalcopyrite by a roast-leach procedure
Toxic products from burning of fire-resistant materials