Search U.S. government technical reports digitized or harvested by TRAIL.
Achievements in mine safety research and problems yet to be solved
Natural gasoline and cycle plants in the United States, January 1, 1950
Annual report of research and technologic work on coal :fiscal year 1949
Review of dust-allaying practices at working faces in some bituminous-coal and lignite mines
Review of literature on health hazards of beryllium and its compounds
Safety practices in churn drilling at Morenci Branch, Phelps Dodge Corp, Morenci, Ariz.
Conditions and practices at coal mines in the Ruhr district of western Germany
Investigation of the Beecher no. 2 lithium-bearing pegmatite, Custer County, S. Dak.
Investigation of the Clinton Jackson quartz crystal deposits, Carroll County, Va.
Investigation of the Romur tungsten deposits, Fremont County, Wyo.
Effects of core recovery, diamond size, and quality on cost of core drilling in gneiss
Development of a successful multiple percussion drill carriage
Investigation of the Union zinc-lead mine, Washoe County, Nev.
A test of treated timbers in a mine at Negaunee, Mich.
Titanium and iron minerals from black sands in bauxite
A method of test for SO₂ and SO₃ in flue gases
Investigation of the Gideon sillimanite deposit, Spartanburg County, S.C.
Investigation of the fluorite deposits of the Dike and Eaton veins, Crittenden County, Ky.
Investigation of the Brown-Tipton zinc deposit, Greene County, Tenn.
Investigation of the Rutherford pegmatite mine, Amelia County, Va.
Investigation of the West Tintic tungsten deposit, Juab County, Utah
Pressure-relieving capacities of diaphragms and other devices for venting dust explosions
Manometric precision procedure for determining the vapor pressure of aviation gasolines
Investigation of the Zebulon or Privett manganese deposit, Wake County, N.C.
National annual survey of commercial aviation gasoline :October, 1949 production
Solvent extraction of coal by aromatic compounds at atmospheric pressure
Investigation of the Winterboro talc deposits, Talladega County, Ala.
Investigation of Gilley fluorspar deposits, Cherokee County, Ala.
Investigation of Stange and Byrnes Heirs manganese mines, Bland and Giles Counties, Va.
A preliminary survey of zirconium alloys
Analyses of some crude oils from the Middle East, South America, and Canada
Deep-well pumps and shaft pumps in anthracite mines of Pennsylvania
Investigation of the Rose Run iron area, Bath County, Ky.
Laboratory tests on percolation leaching of silica from bauxites
Report of research and technologic work of explosives, explosions, and flames :fiscal year 1949
Investigation of Perkiomen Creek copper deposits, Montgomery County, Pa.
Magruder and Chambers copper deposits, Lincoln and Wilkes counties, Ga.
Synthetic liquid fuels :annual report of the Secretary of the Interior for 1949.
Synthetic liquid fuels :annual report of the Secretary of the Interior for 1949.
Investigation of Oriskany iron-ore depositsAlleghany, Bath, Botetourt, and Craig counties, Va.
Helium tracer-gas studies in the Cabin Creek, W. Va. oil and gas field
Centrifugal pump installations in anthracite mines of Pennsylvania