Search U.S. government technical reports digitized or harvested by TRAIL.
Special precautions for multiple short-delay blasting in coal mines
Four waterflooding projects in Washington and Nowata Counties, Okla., 1959
Selected bibliography on low-temperature tar
Mining and transporting coal underground by hydraulic methods :a literature survey
Open-pit copper mining methods, Morenci Branch, Phelps Dodge Corp., Greenlee County, Ariz.
Coyote-Hole primary blasting, Dresser Trap Rock Co., Dresser, Wis.
Control of fires in inactive coal deposits in western United States, including Alaska, 1948-58
Loss of life among wearers of oxygen breathing apparatus (Revision of I.C. 7279)
Mining and milling methods, Inland Lime and Stone Co., Port Inland, Michigan
Methods and practices for producing crushed granite, Weston- Brooker Co., Warren County, Ga.
Review and status of low-temperature tar investigations of the Bureau of Mines
Bibliography on extractive metallurgy of nickel and cobalt ;1900-1928
Airflow changes in multiple-fan systems
Sulfur in California and Nevada.
Mining and processing silica sands at Overton, Nev., by Simplot Silica Products, Inc.
Abating stream pollution by recovering waste oil from steel rolling mills
Underground mining methods and costs at three salt wash uranium mines of Climax Uranium Co.
Mining methods and costs, Iowa Gypsum deposits
Firefighting facilities at coal mines compared with those at other industrial plants
Determining the explosibility of mine atmospheres
Administration of the Federal Coal-Mine Safety Act, 1952-58
An indirect-cycle nuclear-reactor system to furnish process heat :engineering and design concepts
Refractory-clay deposits of Colorado
Some thermodynamic properties of fluorphlogopite mica
Sampling stream gravels for tin, near York, Seward Peninsula, Alaska
Electron micrographs of asbestiform minerals
Cementation of bituminous-coal-mine roof strata :injection of epoxy and polyester-type resins
Manganese deposits of northeastern Oregon
Infrared spectra of hydroxy-aromataic organic compounds
Petrographic examination and chemical analyses for several foreign oil shales
Experimental electric furnace smelting of siliceous manganiferous materials
A rotating model oil reservoir for simulating gas-cycling operations
Methods for determining water contents of oil-bearing formations
Analyses of some crude oils from Alaska
Experiments in reducing the phosphorus content of a Nevada iron ore
Tin placer and lode investigations, Ear Mountain area, Seward Peninsula, Alaska
Extraction of yttrium and rare-earth elements from Arizona euxenite concentrate
An electrolytic method for separating nickel and cobalt
Irreversible changes in response of minerals to electrostatic separation after heating
Preparation of rare-earth chloride solutions
High-purity tungsten by fluoride reduction
Fluorescent x-ray spectrographic analysis :studies of low-energy K, L, and M spectral lines
Expanding properties of American coals tested in sole-heated oven
Development of equipment and process for extracting cerium (IV)