Search U.S. government technical reports digitized or harvested by TRAIL.
Oil-well reconditioning in southwestern Pennsylvania, West Virginia, and southeastern Ohio
G.S. Stiner zinc prospect, Union County, Tenn.
Cline copper and tungsten mine Cabarrus County, N.C.
Howard Lynch zinc prospect, Claiborne County, Tenn.
Stalion-Curnel fluorspar prospect, Crittenden County, Ky.
D. W. Harris (O'Dell) zinc prospect, Claiborne County, Tenn.
Titanium minerals in Trail Ridge, Fla.
Be Van quartz crystal project, Lemhi County, Idaho
Black Rock tungsten deposit, Mono County, Calif.
Trego lead-zinc mine, Grant County, Wis.
Dubuque lead-zinc district, Iowa
Antler copper-zinc deposit, Mohave County, Ariz.
Belle-Eldridge lead-zinc deposits, Lawrence County, S. Dak.
Silver Spot manganese-iron-zinc deposits, Grant County, N. Mex.
Flocculation of aerosols by intense high-frequency sound
Effects of sheaths on gaseous products from permissible explosives
Stone Hill copper mine, Cleburne and Randolph counties, Ala.
Bauxite in Cherokee and Calhoun counties, Ala.
Certain magnetite deposits in New Jersey
Investigation of Coker and Bickford zinc deposits, Iowa County, Wisconsin
Copper Flat zinc deposit, central mining district, Grant County, New Mexico
Yancey-Crawford manganese deposit, Rockingham County, Va.
Watson manganese deposit, Page County, Va.
Iron Mountain deposits, San Bernardino County, Calif.
West Pinos Altos zinc-lead deposits, Grant County, New Mexico
Ahles iron mine, Warren County, N.J.
North Carolina mica spots :Mitchell, Macon, Gaston, and Yancey Counties
A spectroscopic method for the determination of absorption coefficients
Alabama red iron ores :Greasy Cove and Shinbone Ridge, St. Clair and Etowah Counties
Exothermal decomposition of mixtures containing ammonium nitrate
Bamford zinc mine, Lancaster County, Pa.
Concentratability of Birmingham, Ala., red iron ores by separation in heavy media
Investigation of the Krueger zinc deposit, Washington County, Mo.
Christmas Copper deposit, Gila County, Ariz.
A method of evaluating bleaching clays
Mon-Ark zinc-lead mines, Christian County, Mo.
Blue Metal corundum-andalusite deposit, Douglas County, Nev. :supplemental investigation
Effect of acid oxides upon desulfurization in the iron-manganese system
Concentration of manganese ores from Boulder Dam Recreational Area, Clark County, Nev.
Production of sponge iron :gaseous reduction of iron oxide glomerules in a shaft furnace
Churn drilling at the McIlhon zinc deposit, Iowa County, Wis.
Churn drilling at the McGregor zinc-lead mine, Washington County, Mo.
Investigation of Track Rock corundum mine, Union County, Ga.