Search U.S. government technical reports digitized or harvested by TRAIL.
Recovery of sulfur from molybdenite
Copper cementation using automobile scrap in a rotating drum
A comparison of infrared and gas chromatographic methods for determination of methane in mine air
Amino acids as retaining agents for separation of rare-earth elements on ion-exchange resin
Effect of end conditions on determining compressive strength of rock samples
Investigation of operating variables in the attrition grinding process
Electrowinning aluminum from aluminum chloride :operation of a two-compartment cell
Reaction of coal with steam at high pressures
Field investigation and testing of a Minnesota clay resource for iron ore pellet bonding
Comparison of trip lights and reflectors
Laboratory studies on the use of sodium sulfate for removing copper from molten iron
Large-scale studies of gas detonations
Determination of incombustible content of mine dust by nuclear method
Colorimetric method for arsenic in coal
Magnetic separation of pyrite from coals
Chlorine dissolution of several ferroalloys
Preparation characteristics of coal from Clarion County, Pa.
Ultrafine grinding of anthracite
Heats of formation of four anhydrous sodium borates
Copper removal from steel scrap by thermal treatment :feasibility study
Injury experience in the metallic mineral industries, 1964
Review of Bureau of Mines coal program, 1967
Limestone resources in western West Virginia
Magnetic susceptibility of group IVB, VB, and VIB metal-bearing minerals
Miniature oxygen deficiency alarm
Computer usage for evaluation of design parameters and cost of heat exchangers.
Analyses of natural gases, 1967
Hydraulic mining of anthracite :analysis of operating variables
Silver recovery from waste photographic solutions by metallic displacement
Evaluation of synthetic organic flocculants in the treatment of coal refuse slurries
Limits of flame propagation of coal dust-methane-air mixtures
Evaluation of continuous recording X-ray ash meter
Modified Redlich-Kwong equations for hydrogen and for neon
Extraction behavior of cerium-group lanthanides in a primary amine-chelating agent system
Predicted results of cleaning Appalachian coals at low density for sulfur reduction
Two borehole photograph goniometers
Determination of the heat of formation of vanadium trichloride
A method of measuring surface texture of rock
Measurement of oleic acid on mineral surfaces using a radioactive tracer
Dependence of coking time on coal properties and carbonization parameters
Changes in breaking strength of model rock pillars resulting from end constraint
Analyses of tipple and delivered samples of coal :collected during fiscal year 1967
Analyzing midget impinger dust samples with an electronic counter
A high-temperature, two-phase extraction technique for tungsten minerals
Ferrite control by cobalt additions to a semiaustenitic stainless steel
Sampling and analysis of flue gas for oxides of sulfur and nitrogen