Search U.S. government technical reports digitized or harvested by TRAIL.
Dielectric constant in air-ambient electrostatic separation
Survey of commercial aviation-gasoline characteristics :March 1947 production
Concentration of copper-cobalt ores from the Blackbird District, Lemhi County, Idaho
Bauxite deposits in Tippah and Benton Counties, Miss.
Laboratory concentration of complex sulfide-oxide ore from Shenandoah-Dives mine, Silverton, Colo.
Ellington manganese deposit, Reynolds County, Mo.
New dry concentrating equipment
Performance of a diesel mine locomotive
Measurement of coking pressure in a small laboratory oven
Investigation of Arkansas bauxite
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Investigation of Arkansas bauxite.
Lead, zinc, silver, copper, bismuth deposits, South Hecla mine, Alta, Salt Lake County, Utah
R©Øesum©Øe of Bureau of Mines research and development work on western coals, 1942-47
Mirror Harbor nickel deposits :Chichagof Island, Alaska
Electrowinning of cobalt from cobaltite concentrates
Some studies on emergency mine communications
Survey of commercial aviation-gasoline characteristics July 1948 production
Survey of commercial aviation-gasoline characteristics :January 1948 production
Concentration of Lake Valley mines oxide manganese ores from Deming, N. Mex.
Margerum bauxite district, Colbert County, Ala.
Determination of moisture in coal with the Brabender semiautomatic tester
Camp Bird lead-zinc deposits, Ouray County, Colorado
A combination cleaning and dewatering process for treating fine sizes of coal :preliminary report
Heating-value loss of coal on air-drying
Investigation of the Crescent lead and zinc mine, Iowa County, Wis.
Investigation of ore-dressing methods for barite ores from New Mexico, Missouri, and Arkansas
Investigation of Rex zinc mine, Howell County, Mo.
Manufacture of sponge iron in ceramic tunnel kilns
Determination of sulfur dioxide in air by means of the midget impinger
Penn Mine slag dump and mine water, Calaveras County, Calif.
Cranberry magnetite depositsAvery County, N.C., and Carter County, Tenn.