Search U.S. government technical reports digitized or harvested by TRAIL.
Investigation of the Cove Meadow copper deposit, Humboldt County, Nev.
Investigation of the New Almaden mercury mine, Santa Clara County, Calif.
Analyses of crude oils from some fields of southeastern United States,
Truck haulage at the National Lead Co. open-cut ilmenite-magnetite mine, Tahawus, N. Y.
Investigation of the Oronogo-Webb City-Duenweg zinc-lead district, Jasper County, Mo.
Investigation of the Vicksburg lead-zinc mine, Beaver County, Utah
Effect of temperature on flame-arresting properties of flat joints in explosion-proof mine equipment
A study of stray currents in Pennsylvania anthracite mines
Economic importance of pegmatites
Historical r©Øesum©Øe of mine and tunnel ventilation studies, Bureau of Mines, 1910-49
Vibrations associated with a spherical cavity in an elastic medium
Guide to prospecting for lode gold
Underground transportation in the Ruhr coal-mining district of Germany
Drilling and blasting, open-cut iron-ore mines, Lake Superior District
Effects of the inhalation of oxygen
Investigation of the Douglas copper deposit Hancock County, Maine
A circuit for firing seismic blasting caps
Oxidation of magnetite concentrates
Investigation of Furniss tungsten deposits, Cabarrus County, N.C.
Investigation of Black Rock manganese deposits, Esmeralda County, Nev.
Investigation of the Fannie Ryan and Boulder City manganese deposits, Clark County, Nev.
Recent developments in combination cleaning and dewatering of fine sizes of coal
Preparation characteristics of coal occurring in Cambria County, Pa.
Undecomposed steam in lignite gasification
Investigation of Daggett Chief manganese deposit, Manila, Daggett County, Utah
Phenol and cresols in coal tar from coals carbonized at 800⁰ and 900⁰ C.
Investigation of the Coosa tin deposits Coosa County, Ala.
Organic sulfur in synthesis gas:occurrence, determination, and removal
Investigation of the J.B. fluorite deposit, Beaver County, Utah
Investigation of the White zinc-lead deposit, Lafayette County, Wis.
Use of explosives in oil and gas wells :1949 test results
Rate of evaporation of zinc at low pressures
A colorimetric method for the determination of thiophene in synthesis gas
Pilot-plant smelting of ilmenite in the electric furnace
A thermal decomposition study of Colorado oil shale
Pilot-plant gasification of pulverized coal with oxygen and highly superheated steam
Operation of pilot plant for reducing zinc concentrates with methane gas
Investigation of New Galena lead deposit, Bucks County, Pa.
Recent studies on the explosibility of cornstarch
Investigation of Milan copper deposit, Coos County, N.H.
Waxes from shale-oil wax distillate
Investigation of the Royal John lead-zinc deposits, Grant County, N. Mex.
Laboratory-scale work on synthesis-gas production
Investigation of Twin Buttes copper mines, Pima County, Ariz.
A study of certain uncommon minerals found in the Pacific Northwest
Physical properties of mine rock.
Experiments on safety of incombustible plugs for stemming explosives