Search U.S. government technical reports digitized or harvested by TRAIL.
New developments in personal lighting systems for miners
Historical summary of coal mine explosions in the United States, 1959-81
Aluminum availability--market economy countries :a mineral availability program appraisal
Aluminum from domestic clay via a chloride process :the state of the art
Updated process flowsheets for manganese nodule processing
Selected raw material requirements for Japan's specialty steel industry
Microseismic instrumentation developments :a tape triggering system and energy analyzer
Phosphate rock availability--domestic :a minerals availability program appraisal
Computerized, remote monitoring systems for underground coal mines :faults in power system
Health and safety in-house and contract research in fiscal year 1984
Analyses of natural gases, 1982
Economic evaluation of a method to regenerate waste chromic acid-sulfuric acid etchants
Economic evaluation of borehole and conventional mining systems in phosphate deposits
Characteristics of the OTOX model CTL oxygen sensor
Cost estimate of the Bayer process for producing alumina, based on 1982 equipment prices
Costs and effects of environmental protection controls regulating U.S. phosphate rock mining
Passive encoder for range knobs
Evaluation of alumina extraction from coal waste :composition and availability
New techniques for reducing stopping leakage
Fresnel lens blind area viewers for improved mine equipment safety and productivity
Guidelines for siting product-of-combustion fire sensors in underground mines
Rates of chlorination of aluminous resources
Minerals data source directory, January 1983
Electron microscopy studies of explosion and fire residues
Bureau of Mines coal cutting technology facilities at the Twin Cities Research Center
Measuring noise from a continuous mining machine
Design criteria for rapid-response pneumatic monitoring systems
Podiform chromite occurrences in the Caribou Mountain and Lower Kanuti River areas, central Alaska.
Lead and zinc availability--domestic :a minerals availability program appraisal
A guide to geologic features in coal mines in the northern Appalachian coal basin
Minerals availability commodity directory on phosphate
Methods for characterizing manganese nodules and processing wastes
Chemical vapor deposition of group IVB, VB, and VIB elements with nonmetals :a literature review
Helium resources of the United States, 1981
Geologic factors in coal mine roof stability :a progress report
Review of desliming methods and equipment
Chromium availability-market economy countries :a minerals availability program appraisal
Review of anhydrous zirconium-hafnium separation techniques
Ground penetrating radar :a review of its application in the mining industry
Radiation hazard test facilities at the Denver Research Center
Methods for producing platinum-group metal coatings from molten alkali cyanides