Search U.S. government technical reports digitized or harvested by TRAIL.
Historical injury experience in quarrying (in three parts)
Economic studies of uses of the glass fractions from municipal incinerator residues
Radiation halos and hydrocarbon reservoirs :a review
Economic availability of byproduct fluorine in the United States (in two sections).
Injury experience in coal mining, 1970
Bureau of Mines energy program, 1972
Sulfur dioxide:its chemistry as related to methods for removing it from waste gases
Computer program for calculating equilibrium composition of high-temperature combustion products
Injury experience in coal mining, 1969
Card-gap and projectile impact sensitivity measurements :a compilation
Corrosion resistance of metals in hot brines :a literature review
Methane control in United States coal mines, 1972
Determination of attitudes of joints surveyed with a borescope in inclined boreholes
Recent developments in coal mine fire and explosion prevention research
Technique to improve fuel extraction for coal seams intersected by oil and gas wells
Properties of natural zeolites
Materials handling research :penetration of selected/granular materials by wedge-shaped tools
Extraction of silver from refractory ores
Materials handling research :shear properties of several granular materials
Phosphorus removal from Birmingham, Ala., calcareous iron ores
Solid-liquid flow in noncircular pipes
Molten salt electrowinning of magnesium-yttrium alloys
Conversion of ilmenite to rutile by a carbonyl process
Use of cryogens to reclaim nonferrous scrap metals
Purification of yttrium by electrorefining
A study of fragmentation from bench blasting in limestone at a reduced scale
Hydrogenating shale oil at low space velocity
Emission characteristics of an aircraft auxiliary power unit
Beneficiation of Calico District, California, silver-barite ores
Continuous heavy liquid concentration of high-clay potash ores
Phase-contrast enhancement without spatial filters for seismic holography
Better coke by using antifissurants :results for Illinois no. 6 and high splint coals
Analysis of the geometry of fractures in San Manuel Copper Mine, Arizona
Analyses of tipple and delivered samples of coal :collected during fiscal year 1972
Development of a portable radon detector
Solvent extraction of nitrate from titanium leacher effluent
Methods and evaluation of explosive fracturing in oil shale
Characterization of the valence state of iron in coal dust
Analysis of trace elements in coal by spark-source mass spectrometry
Autogenous smelting of copper sulfide concentrate
Oxidation of cement copper by flash roasting
Radioactive tracer pulse method of evaluating fracturing of underground oil shale formations