Search U.S. government technical reports digitized or harvested by TRAIL.
Roof-fall resupport accidents :a study
Geothermal well drilling fluid technology :a literature survey
Helium resources of the United States, 1973
Recycling trends in the United States :a review
Reclaiming strip-mined land for recreational use in Lackawanna County, Pa. :a demonstration project
Time required in developing selected Arizona copper mines
Economic evaluation of a process for ferric chloride leaching of chalcopyrite concentrate
Sulfur dioxide emission control in Japanese copper smelters
Coal mine equipment forecast to 1985
XRF4-computer programing for X-ray analysis
Strippable coal resources of Colorado :location, tonnage, and characteristics of coal and overburden
Assaying ores, concentrates, and bullion
Nonclogging water spray system for continuous-mining machines :installation and operating guidelines
Energy consumption in domestic primary copper production
Coal mine illumination :proceedings, Bureau of Mines Technology Transfer Seminars.
Uranium from the Chattanooga shale :some problems involved in development
Use of surface joint and photolinear data for predicting subsurface coal cleat orientation
Waterflooding of oilfields in Montana
Determining cleat orientation of deeper coalbeds from overlying coals
Recovery of zinc from zinc chloride by fused-salt electrolysis
Mass spectrometer method for determining parts per billion helium-3 in helium
Electrodeposition of titanium diboride coatings
Nitride intermediates in the preparation of columbium, vanadium, and tantalum metals(in two parts) :
Ferric chloride-brine leaching of galena concentrate,
Electrophysical considerations of the activation of sphalerite for flotation
Hydrochloric acid digestion and solvent extraction of western phosphates
A new sulfur dioxide-free process for recovering lead from battery scrap
Roasting nonmagnetic taconites in a fluid bed using low-rank fuels as reductants
Magnesium oxysulfate cement sealant in coal mines
Applying computer-drawn maps of geologic data to analysis of mining problems
Temperature investigations on resin-anchored bolts
Beneficiation of nonmagnetic taconites by selective flocculation-cationic flotation
Locating miners in smoke-filled mine openings with infrared imagers
Development and testing of superior sulfur concretes
Support capabilities of pneumatically stowed materials
Depth and producing rate classification of petroleum reservoirs in the United States, 1971
An ice-cooling garment for mine rescue teams
Size distribution and mass output of particulates from diesel engine exhausts