Search U.S. government technical reports digitized or harvested by TRAIL.
Thermal reactions of 1-methylindole
Analysis of tunnel support structure with consideration of support-rock interaction
Dewatering Florida phosphate pebble rock slime by freezing techniques
Recovery of heavy minerals from sand and gravel operations in the southeastern United States
Photochemical reactivity of diesel exhaust :some preliminary tests
Tritiated water as a tracer in the dump leaching of copper
Explosion development in closed vessels
Reclamation of acidic coal-mine spoil with fly ash
Investigation of pulsation dampers for personal respirable dust samplers
Chemical spot tests for aluminum alloys
Gas combustion retorting of oil shale under Anvil Points lease agreement :stage II
Dry-pressed building bricks from copper mill tailings
A small-scale test for free-swelling index of coal /by R.F. Abernethy and J.P. Snyder.
Electrical conductivity and density of fluoride systems
Washability examinations of Wyoming coals
Electrical and hydraulic flow properties of Appalachian petroleum reservoir rocks
Heavy liquid concentration of brucite
Dissociation and vaporization of gold chlorides and gold bromides
Ionized fields in electrostatic separation :applications to secondary materials
Heat content and specific heat of six rock types at temperatures to 1,000⁰ C
Determination of metallic aluminum in recycled glass
In situ rock temperature :stress investigations in rock quarries
Thermal-chemical alteration of sandstone to increase permeability
Evaluation of some solid oxides as sorbents of sulfur dioxide
Modifying diesel engine operating parameters to reduce emissions
Hardness, tensile strength, and impact toughness of reservoir sandstone at extreme temperatures
The use of rock bolts or wire rope to increase the strength of fractured model pillars
Prediction of low-temperature carbonization properties of coal in advance of mining
Hydrodesulfurization of Venezuelan residual fuel oils
A three-dimensional dynamic programming method for optimal ultimate open pit design
Methane emission rate studies in a central Pennsylvania mine
Enthalpy and free energy of formation of vanadium subnitride (VN₀©ø₄₆₅), 298⁰ to 1,800⁰ K
Explosion-proof bulkheads :present practices
Rock-bolt anchorage in tertiary-gravel material :Badger Hill, California
Airblast-overpressure levels from confined underground production blasts
Dispersion strengthening of lead by coprecipitation
Influence of thermal treatments upon grindability of low-grade nonmagnetic iron ores
Laboratory evaluation of some factors in cyaniding gold placers
Effect of temperature on the electrolytic preparation and recovery of samarium-cobalt alloy
Inhibition of coal dust-air flames
Ionic constituents of DC discharges in a He-SO₂ mixture
Electrowinning of oxygen from silicate rocks
Experiments on gas flow in porous media at low pressures
Comparison of techniques for electrowinning tungsten from scheelite
Structural deformation of Green River oil shale as it relates to in situ retorting