Search U.S. government technical reports digitized or harvested by TRAIL.
Investigation of Louise chromite deposits Troup County, Ga.
Investigation of Simon & Coles manganese deposit Bedford county, Pa.
Churn drilling at Mary Arnold zinc-lead mines, Christian County, Mo.
Investigation of the Dubois fluorite property, Hardin County, Ill.
Diamond drilling at the Tallapoosa copper mine, Haralson County, Ga.
Churn drilling at the Capital and Greenland zinc mines, Lawrence County, Mo.
Investigation of the Skene zinc mine, Jo Daviess County, Ill.
Recovery of lithium from its various ores and salts
Investigation of the Morelock Creek tin placer deposits, Fort Gibbon District, Alaska
Investigation of the Tozimoran Creek tin placer deposits, Fort Gibbon District, Alaska
Core drilling at the Victory fluorspar mine, Hardin County, Ill.
Investigation of the Critchfield manganese deposit, Huntingdon county, Pa.
Investigation at the Fairplay zinc and lead area, Grant County, Wis.
Investigation of the Ore Hill zinc-lead mine, Grafton County, N.H.
Investigation of Kiowa County clays, Kiowa County, Okla
Concentration of oxide manganese ores from the Aguila district, Arizona
Concentration of Richmond Hill oxide manganese ore from Lead, Lawrence County, S. Dak.
Investigation of the Dempsey zinc-lead mine, Washington County, Mo.
Investigation of the Mateen spodumene deposit Pennington County, S. Dak.
Investigation of the Ore Knob copper mine, Ashe County, N.C.
Investigation of Round Mountain manganese properties, Bland County, Va.
Diamond drilling at the Big Ore Bank magnetite deposits, Lincoln County, N.C.
Barite deposits in the Ouachita Mountains, Montgomery, Poke, and Pike counties, Ark.
West Portal magnetite mines, Hunterdon County, N.J.
Survey of commercial aviation gasoline characteristics :July 1947 production
Investigation of Knik Valley chromite deposits, Palmer, Alaska
Investigation of the W.E. Dunkle coal mine, Costello Creek, Chulitna District, Alaska
Investigation of the Toncrae-Howard copper deposits, Floyd County, Va.
Method for the spectrochemical determination of beryllium, cadmium, zinc, and indium in ore samples
Diamond drilling at Union copper mine Cabarrus and Rowan counties, N.C.
Investigation of French Hill chromite mine Del Norte County, Calif.
Perlite :thermal data and energy required for expansion
Zinc smelting in the horizontal retort fired with natural gas.
Zinc smelting in the horizontal retort fired with natural gas.
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