Search U.S. government technical reports digitized or harvested by TRAIL.
Leadville drainage tunnel second project,Lake County, Colo.
An investigation of some variables in the treatment of scheelite with soda ash
Producing magnesium by silicothermic reduction
Cost data for gasification of lignite in an externally heated retort
Electric smelting of low-grade chromite concentrates
Utilizing offgrade manganese materials from Montana
Fabricating consumable electrodes of zirconium, titanium, and similar metals for arc melting
Exploration and utilization studies :John Day chromites, Oregon
Preparation characteristics of coal from Perry County, Ky.
Reconnaissance of phosphate-rock deposits in Arkansas, Kansas, Oklahoma, and Texas
Synthetic mica investigations.
Effect of oxidation on carbonization yields of a Texas lignite
Recovery of kyanite and sillimanite from Florida beach sands
A mineral-dressing study of manganese deposits of West-central Arkansas
Carbonizing properties of Harlan County, Ky., coals
Helium and argon as inert atmospheres in producing titanium
Experimental magnesium alloys containing nickel, manganese, lithium, and aluminium
Mineral-dressing investigations of the recovery of pyromorphite from a Newton County Mo., deposit
Brecciated manganese deposits in Johnson County, Tenn.
Synthetic liquid fuels :annual report of the secretary of the interior for 1955.
Ceramic industry development and raw-material resources of Oregon, Washington, Idaho, and Montana
Expansion of clays and shales from North and South Dakota in a rotary kiln
The Three Kids manganese deposit Clark County, Nev. :exploration, mining, and processing
Properties of reconstituted block talc bonded with magnesium oxychloride
Ceramic materials from Florida beach-sand concentrator wastes
Effect of temperature on the electrostatic separation of minerals
Galvanic corrosion properties of titanium and zirconium in various inorganic solutions
Performance of a Girbotol purification plant at Louisiana, Mo.
Laboratory recovery of germanium and cadmium in sphalerite concentrates
Preliminary investigation of the Takilma-Waldo copper district, Josephine County, Oreg.
Refractories consumption and high-alumina mineral resources in California and Nevada
Removal of moisture from lignite in inert-gas atmospheres
Dense-medium pilot-plant performance tests on coal
Electrolytic recovery of zinc from galvanizers' sal skimmings
Homogeneous alloy ingots produced by consumable-electrode arc melting
Galvanic corrosion properties of titanium in organic acids
Carbonizing tests with Tuscaloosa (Ala.) oven :dependence of coking time on flue temperature
A qualitative evaluation of several electrolytes for electrorefining bismuth
Fabrication of titanium prototypes of 81-mm mortar base plate
Concentration tests of California chromite ores
Synthetic mica investigations.
Tulare County Tungsten Mines, Calif.
Zirconium purification :using a basic sulfate precipitation
Recovering lead and tin from wet solder drosses