Search U.S. government technical reports digitized or harvested by TRAIL.
Carbonizing properties of Elkhorn no. 3-bed coal from Wheelwright mine, Floyd County, Ky.
Preparation characteristics of Maryland coals
Bibliography of Bureau of Mines investigations of coal and its products,1940 to 1945
United States Fluorspar Co. property, Sierra County, N. Mex.
Coking-coal deposits on Lookout Mountain, DeKalb and Cherokee Counties, Ala.
The farmer zinc-lead prospect, Stevens County, Wash.
Beneficiation of New England beryllium ores
Corundum Hill Mine, Macon County, N.C.
Central Texas (Llano) iron deposits, Llano and Mason Counties, Tex.
Apache Mica Mine, Rio Arriba, N. Mex.
Atwood Copper Group, Lordsburg district, Hidalgo County, N. Mex.
Iron Mountain tungsten deposits, Sierra County, N. Mex.
Bear Trap corundum deposit, Madison County, Mont.
Anderson zinc-lead prospect, Stevens County, Wash.
Copper King Mine, Taos County, N. Mex.
Fluorite and zinc on the J.J. Shelby and H. McGuire properties, Pope County, Ill.
Celestite deposits, Brown, Nolan, Fisher, and Coke Counties, Tex.
Bull Run copper prospects, Silver Bow County, Mont.
Peerless lead-zinc mine, Grant County, N. Mex.
Coughlin and Galena Level zinc mines area, Lafayette County, Wis.
Fluorite in the Mineral Ridge-Clay Lick Fault System, Livingston County, Ky.
Buck Creek Corundum, Clay County, N.C.
Alice Zinc Mine, Ozark County, Mo.
Iron deposits of Buckhorn Mountain, Meyers Creek Mining District, Okanogan County, Wash.
Huckleberry Spar Mine, Catron County, N. Mex.
Bozeman corundum deposit, Gallatin County, Mont.
Diamond drilling and diamond bit investigation.
Technique of surveying diamond-drill holes with the Wright Radiolite Borehole-Surveying Instrument
Beneficiation of western beryl ores
Sulfur dioxide leaching tests on various western manganese ores
Reduction of magnesium chloride by calcium carbide
Metallurgical research program of the Bureau of Mines relating to the nonferrous metals
Mercury deposits of Southwestern Alaska
Use of molten lead as a quenching medium in carbothermic production of magnesium
Copper deposits of Douglas County, Wis.
Powder-powered tools :the firedamp safety of devices for splicing cables and puncing rails
San Manuel copper deposit, Pinal County, Ariz.
Pyrites, mineral, Louisa County, Va.
Beneficiation of oxide tin ores from the states of Zacatecas and Guanajuato, Mexico
Winchester zinc deposit, Newton County, Mo.
Pearl lead-zinc deposits, Jasper County, Mo.
Rusk iron deposits, Cherokee County, Tex.
Electrolytic manganese in stainless steel :tests at the Timken Roller Bearing Co., Canton, Ohio