TRAIL - Technical Report Archive and Image Library

Investigation of the Torpedo copper deposit Organ mining district, Dona Ana County, N. Mex.

Simple treatment methods for sulfide gold and silver ores

Equipment tested at the Bureau's oil-shale mine

Water infusion of coal pillars before mining, Kenilworth mine, Independent Coal & Coke Co., Kenilworth Utah

Explosive characteristics of titanium, zirconium, thorium, uranium and their hydrides

Synthetic liquid fuels :annual report of the secretary of the interior for 1950

The oil-shale industres of Europe

Spectrophotometric studies of the isomers of chromic sulfate

Concentration of oxide manganese ores from Lander County, Nev.

Investigation of a photoelectric device for the determination of low concentrations of dust

Chromite deposits :Sweetwater, Castro, Trinidad, New London, and Hilltop mines San Luis Obispo County, Calif.

Investigation of the Norwich manganese deposit, Silver Bow County, Mont.

Concentration of oxide manganese ores from the Steelville and Susie Q claims, Beaver County, Utah

Preparation characteristics of coal occurring in Armstrong County, Pa.

National annual survey of commercial aviation gasoline, October 1950 production

Miller Gulch and Cook & White coal beds near Cerrillos, Santa Fe County, N. Mex. :Reserves ; coking, petrographic, and chemical properties

Preparation characteristics of coal from Fayette County, Pa.

Semi-pilot-plant investigations on electro-winning manganese from chloride electrolytes

Cyanidation of gold-silver ore from Manhattan, Nev.

Raw materials for the mineral-wool industry

Processes for recovering vanadium from western phosphates

Preparation characteristics of coal occurring in Westmoreland County, Pa.

Properties of Colorado oil shale

Zirconium-titanium system: constitution diagram and properties

Synthetic liquid fuels :annual report of the secretary of the interior for 1950.

Design, construction, and operation of a distillation laboratory for the synthetic liquid fuels program

The role of oxygen in the production of synthetic liquid fuels from coal

Thermal decomposition products and burning characteristics of some synthetic low-density cellular materials

Performance of a pebble heater type steam superheaater

Selective flotation concentration of lead-zinc ores from the Musick and Helena mines, Bohemia District, Oreg.

Study of preheating Colorado oil shale

Explosibility of mixtures of propane, air, and carbon dioxide and of propane, air and nitrogen at elevated pressures

Investigation of sodium sulfate deposits in Bull Lake, Carbon County, Wyo.

Investigation of the Cougar Spar fluorspar deposit, Beaver County, Utah

Investigation of Kasna Creek copper prospect, Lake Kontrashibuna, Lake Clark region, Alaska

Nodulization and pelletization of fluorite flotation concentrates

Treatment of timber

Safety in milling :Magma Copper Co., Superior, Ariz.

Some roof-control practices in coal mines of the United Kingdom

Process development in the hydrocarbon synthesis to 1941

The second underground gasification experiment at Gorgas, Ala.,

Universal type electrostatic separator

Preparation characteristics of coal occurring in Indiana County, Pa.

The short-circuiting contactor as an electrical protective device for coal-mine service

Concentration of oxide and silicate manganese ores from the vicinity of Golconda, Nev.

Concentration of carbonate and oxide manganese ores from Silver Bow, Jefferson and Park Counties, Mont.

Experimental treatment of oxidized lead-silver ore from Eureka, Nev.

Variance in characteristics of the oil in the Weber Sandstone Reservoir, Rangely field, Colorado

Acid-Mine-Drainage Problems: Anthracite Region of Pennsylvania

Helium-Bearing Natural Gases of the United States: Analyses and Analytical Methods

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