Search U.S. government technical reports digitized or harvested by TRAIL.
Utilization of waste fluosilicic acid :(in two sections)
A method for sampling and analyzing trona dust
Analyses of natural gases, 1970
A simplified oil and gas well information retrieval system
Summary of mining and petroleum laws of the world (in five parts).
Analyses of tipple and delivered samples of coal :collected during fiscal year 1970
Prediction of coke strength of American coals by the Ruhr dilatometer method
Oxidation process for improving gold recovery from carbon-bearing gold ores
Converting organic wastes to oil :a replenishable energy source,
Sampling gold lode deposits, Bluff, Seward Peninsula, Alaska
Noise in underground coal mines
Spark-source mass spectrometer investigation of coal particles and coal ash
Beneficiation of high-clay potash ores by flotation
Rock burst research at the Galena Mine, Wallace, Idaho
Recovery of chromite and silica from steel foundry waste molding sands
Preliminary separation of metals and nonmetals from urban refuse
Economics of recycling metals and minerals from urban refuse
An evaluation of the respirable dust sampling program in United States underground coal mines
Recovery of the nonferrous metals from auto shredder rejects by air classification
Some results from the operation of a 150-ton oil shale retort
Production of high-purity synthetic rutile from a domestic ilmenite concentrate
Natural gas storage with zeolites
Fuel additives and automobile exhaust emissions
Mining and conversion of oil shale in a gas combustion retort
Electronic color sorting of glass from urban waste
Strippable reserves of bituminous coal and lignite in the United States
Satellite monitoring of open pit mining operations
Coal mine dust standards of the United States and other countries
How to mine and prospect for placer gold
Coal refuse fires, an environmental hazard
Economic evaluation of California-Nevada iron resources and iron ore markets
Mine subsidence--extent and cost of control in a selected area.
Case studies of municipal waste disposal systems,
The rare-earth elements, yttrium, and thorium;a materials survey,
Availability of tungsten at various prices from resources in the United States,
Sampling and evaluating respirable coal mine dust:a training manual
Causes and prevention of transportation accidents in bituminous coal mines
A computer program for generating finite element models of mine structures
Respirable mine dust sample processing laboratory
Analysis of free silica in respirable dust
Petroleum and oil-shale research of the Bureau of Mines :fiscal year 1969
Materials substitution study:general methodology and review of U.S. zinc die-casting markets
Approved dust respirators for coal mines
Microfilming maps of abandoned anthracite mines :mines in the Western middle anthracite field