Search U.S. government technical reports digitized or harvested by TRAIL.
Physical properties of coke :size and its measurement
Investigation of southwestern Arkansas mercury district, Howard, Pike, and Clark Counties, Ark.
Investigation of the Almedia lead-zinc deposit, Columbia County, Pa.
Synthetic liquid fuels :annual report of the Secretary of the Interior for 1949.
Bureau of Mines strategic minerals development program :summary of progress, 1939-1949
Laboratory concentration of mercury ores from Oregon, California, Idaho, and Nevada
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
Economic importance of pegmatites
Historical r©Øesum©Øe of mine and tunnel ventilation studies, Bureau of Mines, 1910-49
A circuit for firing seismic blasting caps
Investigation of the Douglas copper deposit Hancock County, Maine
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