Search U.S. government technical reports digitized or harvested by TRAIL.
Zinc smelting in the horizontal retort fired with natural gas.
Zinc smelting in the horizontal retort fired with natural gas :
Investigation of the Cape Rosier zinc-copper-lead mine, Hancock County, Maine
Stress analysis applied to underground mining problems
Bauxite deposits in Union and Pontotoc Counties, Mississippi
A process for the production of iron-free alum
Analyses of crude oils from 283 important oil fields in the United States
Conrad Hill copper and gold deposit Davidson County, N.C.
Shasta and California iron-ore deposits Shasta County, Calif.
Artillery Peak manganese deposits, Mohave County, Ariz.
Investigation of the Hornsilver lead-zinc property, Butte County, Idaho
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