TRAIL - Technical Report Archive and Image Library

Mechanical mining in some bituminous-coal mines.

Concentration of oxide manganese ores from the Turtle claims and Pacific Coast Manganese properties, Paymaster District, Imperial County, Calif.

Beneficiation of oxide and silicate manganese ores from Crook, Albany, and Washakie counties, Wyo. :(Caulkins-McGuckin, J. B. C., and Gheen Properties)

Production of ductile titanium at Boulder City, Nev.

Investigation of the Waukon iron deposit, Allamakee County, Iowa

Electrolytic manganese in acid electric steel foundry practice :tests at National Malleable & Steel Castings Co., Sharon, Pa.

Investigation of New Idria mercury deposit, San Benito County, Calif.

Some chemicals from synthetic liquid fuels processes

Sampling and determination of aldehydes in diesel-engine exhaust gas and in mine air

Synthetic liquid fuels :1948 annual report of the Secretary of the Interior.

Pilot-plant concentration of Arkansas aluminum ores

Chloride volatilization and other tests on a gold-copper ore

Preliminary tests of gold and zinc ores from Buzzard mine, Placerville, Calif.

Sampling of Helen Beryl pegmatite Custer County, S. Dak.

Investigation of Ely mine copper deposit Orange County, Vt.

Investigation of Chestatee copper and pyrite deposit Lumpkin County, Ga.

Investigation of the Coggins chromite mine, Siskiyou County, Calif.

Studies of the kinetics of coal hydrogenation

Concentration of oxide manganese ores from the Tintic district, Eureka, Juab County, Utah

Diamond drilling at the Rambler copper mine, Albany County, Wyo.

Investigation of the Strawberry tungsten deposit, Madera County, Calif.

Investigation of Oat Hill mercury mine Napa County, Calif.

Investigation of Comet Coalition lead-zinc deposit, Lincoln County, Nev.

Investigation of Snowball fluorite deposit, Maricopa County, Ariz.

Investigation of the Cartersville manganese district, Bartow County, Ga.

A study of stray electric currents in airdox systems in coal mines

Investigation of the Dayton iron deposit, Lyon and Storey counties, Nev.

Investigation of the Buckeye manganese deposits, Stanislaus County, Calif.

Grouting diamond-drill holes at the Christmas mine, Gila County, Ariz.,with notes on the setting properties of cements and the use of liquid carbon dioxide as a pressuring agent in grouting

Effect of high pressures on the flammability of natural gas-air-nitrogen mixtures

Investigation of the Springvale bauxite district, Randolph County, Ga.

Liquidus temperatures and liquid densities of zinc-aluminum alloys

Coal carbonization :effects of blending Pocahontas no. 3 coal with 12 high-volatile A coals

Concentration of manganese ores from Piute and Kane counties, southern Utah

Investigation of Hamilton County bauxite district, Tennessee

A Bureau of Mines method for determining porosity :a list of porosities of oil sands

The determination of low concentrations of hydrogen sulfide in gas by the methylene blue method

Investigation of the McGuffy Creek chromite deposit, Siskiyou County, Calif.

Investigation of the K.T. Dome zinc-lead mine Owen and Henry Counties, Kentucky

Flotation of silver chloride from an oxide ore

Petrographic determination of quartz in the presence of claylike minerals

Diamond drill and auger sampling of vanadiferous shale, Mercu Dome mine, Tooele County, Utah

Investigation of the Del Rio and Stackhouse barite deposit, Cocke County, Tenn., and Madison County, N.C.

Flotation of gray iron ores from the Talladega area, Alabama :laboratory studies

Relative reducibility of some iron oxide materials

Investigation of the Whitechuck travertine deposit near Darrington, Snohomish County, Wash.

Recovery of fumes from chloride volatilization of gold

A gage and recording equipment for measuring dynamic strain in rock

Investigation of the Ladd manganese deposits, San Joaquin County, Calif.

Investigation of the Hermitage bauxite district, Bartow and Floyd counties, Ga.

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