Search U.S. government technical reports digitized or harvested by TRAIL.
Percolation leaching of manganese ores with sulfur dioxide
Modified longwall mining with German coal planers :summary of operations at five coal mines
National annual survey of aviation fuels, 1956
Bureau of Mines approval system for respiratory protective devices :(revision of I.C. 7600)
National annual diesel-fuel survey, 1956
Petroleum refineries, including cracking plants in the United States, January 1, 1957
Natural-gasoline and cycling plants in the United States, January 1, 1956
A reconnaissance of sulfur resources in Wyoming, Colorado, Utah, New Mexico, and Arizona
Safety plan at Ray Mines Division, Kennecott Copper Corp., Ray, Arizona
Mining methods and costs at the Westside Mine of the Eagle-Picher Co., Cherokee County, Kans.
Use of prestressed precast shaft supports, Banner Mine, Lordsburg, N. Mex.
Studies on the development and control of coal-dust explosions in mines
Some recent developments in waterflooding in Washington County, Okla., 1956-57
Report of Bureau of Mines research and technologic work on coal and related investigations, 1955
Mining, processing, and costs :Idaho Almaden mercury mine, Washington County, Idaho
Physical properties of low-boiling phenols :a literature survey
Mining methods and costs, Continental Uranium, Inc., Continental No. 1 Mine, San Juan County, Utah
Administration of the Federal Coal-Mine Safety Act, calendar year 1956
Recommended safety standards for shaft sinking :1957
State regulations pertaining to the use of internal-combustion engines underground
Mining methods and practices at the Mineral Hill Copper Mine, Banner Mining Co., Pima County, Ariz.
Bibliography on extractive metallurgy of nickel and cobalt, January 1929-July 1955.
Auxiliary and supplemental mine rescue equipment
The role of viscosity in dense-medium coal cleaning
Carbonizing properties of Raleigh County, W. Va., coals
Vapor pressures of liquid iron and liquid nickel
Iowa coals as a source of sulfur
Electrorefining titanium metal
Low temperature tar from fluidized carbonizing reactors
Carbonizing properties of Indiana County, Pa., coals
Thermodynamic properties of titanium-oxygen solutions and compounds
Utilization of South Arcot, India, lignite
The relative corrosion resistance of titanium and some of its alloys
Recovery of tin and tungsten from tin-smelter slags
Preparation characteristics of coal from Bell County, Ky.
The titanium-germanium system from 0 to 30 percent germanium