Search U.S. government technical reports digitized or harvested by TRAIL.
Investigations of the Kobuk River asbestos deposits Kobuk District, northwestern Alaska
Investigation of Blister mica mine, Cheshire County, N.H.
Chemical and thermomagnetic studies on iron catalysts for synthesis of hydrocarbons
Semi-pilot-plant tests on treatment of manganese-silver ores by the dithionate process
Carbonizing properities of Lower Banner coal from no. 56 mine, Dante, Russell County, Va.
Investigation of the Abbott quicksilver mine, Lake County, Calif.
Asphalts from Rocky Mountain Crude Oils :laboratory preparation and comparison
Hazards of black blasting powder in underground coal mining
Major disasters at metal and nonmetal mines and quarries in the United States (excluding coal mines)
Mining practices at the Harrington-Hickory mine Beaver County, Utah
Safe electrical practices in two Arizona open-pit mines
Safety practices at United Verde Mine, Phelps Dodge Corp., Jerome, Ariz.
Safeguarding underground workmen from noxious gases resulting from blasting in strip mines
Investigation of tungsten occurrences in Darwin District, Inyo County, Calif.
Investigation of Suffern graphite depositsn Rockland County, N.Y.
Investigation of the Hogan tin mine Kern County, Calif.
The National Fuel Efficiency Program During the War Years, 1943-45
Investigation of tin-bearing pegmatities in the Tinton area, Lawrence County, S. Dak.