TRAIL - Technical Report Archive and Image Library

Generation and propagation of strain waves in rock :part I

Methods of excavation and roof support used in some recently constructed tunnels

Summary of published information on large-capacity compressed-air receivers for underground mines

Crude-oil and refined products pipe-line mileage in the United States :January 1, 1950

Thallium;its properties, sources, recovery and uses of the element and its compounds,

Petroleum refineries, including cracking plants, in the United States, January 1, 1950

Lead smelting in the ore hearth

Investigation of the Sunrise copper-gold mine, Granite County, Mont.

Investigation of Smuggler lead-zinc mine, Aspen, Pitkin County, Colo.

Tests on the control of coal-mine fires in the experimental coal mine

Coal-mining methods and practices and electric power requirements in the Bull Mountain coal field, Montana

Investigation of Guadalupe mercury mine, Santa Clara County, Calif.

Investigation of fluorite deposits of Babb Vein System, Crittenden and Livingston counties, Ky.

Limits of flammability and ignition temperatures of phthalic anhydride

Investigation of Taylor Creek lead-zinc deposit, Kupreanof Island, Petersburg, Alaska

Investigation of mica deposits at the White Bear, Silver Dollar, Buster Dike, and Hot Shot mines, Custer County, S. Dak.

Investigation of the Tapley copper deposit, Hancock County, Maine

Secondary recovery of oil by air and gas injection in the Brenneman Field, Hancock County, W. Va.

Investigation of Eagle Silver lead-zinc mine, Tooele County, Utah

Investigation of the Great Eastern nickel deposit, Clark County, Nev.

Carbon blacks formed by decomposition of mixtures of acetylene with a hydrocarbon or other gas at elevated pressures

Recent rock-dusting experiments for arresting coal-mine explosions

Investigation of Nevada Scheelite, Inc., deposit, Mineral County, Nev.

Flotation of a North Carolina pyrophyllite ore

Investigation of North Empire zinc-lead deposit, Cherokee County, Kans.

Flotation and cyanidation tests on a gold-copper sulfide ore from Cooke, Mont.

Investigation of the Cove Meadow copper deposit, Humboldt County, Nev.

Investigation of the New Almaden mercury mine, Santa Clara County, Calif.

Analyses of crude oils from some fields of southeastern United States,

Truck haulage at the National Lead Co. open-cut ilmenite-magnetite mine, Tahawus, N. Y.

Investigation of the Oronogo-Webb City-Duenweg zinc-lead district, Jasper County, Mo.

Investigation of the Vicksburg lead-zinc mine, Beaver County, Utah

Effect of temperature on flame-arresting properties of flat joints in explosion-proof mine equipment

A study of stray currents in Pennsylvania anthracite mines

The use of dust respirators in coal mines

Mining and milling methods at San Xavier mine, the Eagle-Picher Mining & Smelting Co., Pima County, Ariz.

Mining and milling methods at the Caselton Mine, Combined Metals Reduction Co., Pioche, Lincoln County, Nev.

The evaluation of converters for exothermic and endothermic catalytic reactions occurring within narrow temperature limits

Fundamentals of smoke abatement

Coal for coke production

Mining methods and costs at the Highland Surprise Mine, Shoshone County, Idaho

Report of the Health and Safety Division :fiscal year 1949

Electrical blasting at Miami Copper Co., Miami, Ariz.

Permissible mine equipment approved during the calendar years 1947-49

Hydraulic tunneling in St. Peter sandstone at Minneapolis, Minn.

Central mine rescue station, Globe-Miami district, mine rescue and first-aid association, Globe Ariz.

Roof bolting in the United States

Coal-mine explosions and coal- and metal-mine fires in the United States in 1949

Carbide insert bit drilling at the Cleveland-Cliffs Iron Co. mines, Ishpeming, Mich.

List of respiratory protective devices approved by the Bureau of Mines

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