TRAIL - Technical Report Archive and Image Library

Reconnaissance of the "Red Bed" copper deposits in Southeastern Colorado and New Mexico

Dust control in mining, tunneling, and quarrying in the United States

Administration of the Federal Coal-Mine Safety Act, calendar year 1955

Mining methods and costs, Standard Uranium Corp., Big Buck Mine, San Juan County, Utah

Equipment for analyzing mine atmospheres, with special reference to haldane-type apparatus

Analysis of 346 accidents, underground iron-ore mines, Lake Superior district

Tungsten potential in Chaffee, Fremont, Gunnison, Lake, Larimer, Park and Summit Counties, Colo.

Rock dusting and sampling including wet rock dusting at the Bureau of Mines experimental coal mine

Potential of heavy-mineral-bearing alluvial deposits in the Pacific Northwest

Tungsten potential in the San Juan area, Ouray, San Juan, and San Miguel Counties, Colo.

Permissible mining-loading equipment

Bibliography of investment and operating costs for chemical and petroleum plants :supplement 2 (July 1952-June 1954)

Block-caving methods at the Sunrise mine, Platte County, Wyo.

Administration of the Federal Coal-Mine Safety Act :calendar year 1954

International cooperation in reducing mine hazards

Safety aspects of controls and operations of belt conveyors in coal mines

Block caving at Kelley Mine, the Anaconda Co., Butte, Mont.

Health and safety activities of the Bureau of Mines :fiscal year 1955

Mining methods and costs at the Morning mine, American Smelting & Refining Co., Shoshone County, Idaho

Research and technologic work on coal and related investigations :1954

National first-aid and mine rescue contest :Knoxville, Tenn., October 10, 11, and 12, 1955

Drill-dust collectors approved by the Bureau of Mines as of January 31, 1956

Safety with solvents

A rapid method for fluorometric determination of beryllium

Methane buildup during cutting and continuous mining operations

Preparation characteristics of coal from Mingo County, W. Va.

Physical properties of mine rock, Part IV :including indexes to Parts I, II, III, and IV

Potential ignition hazards associated with compressed-air blasting using a compressor underground

Coal-mine-explosion research by the Bureau of Mines, 1954-55

Production of titanium castings

Laboratory concentration of various Alaska copper ores

Diamond-bit performance in schist

Use of anthrafines for producing metallurgical coke

Studies of the Snettisham magnetite deposit, southeastern Alaska

Anthracite mechanical-mining investigations :use of yielding steel supports (props) in combination with backfilling for mining thick, flat beds

Principles of reinforcing bedded mine roof with bolts

Titanium plant at Boulder City, Nev. :operating costs

Analysis of crude shale oil.

Cementation of bituminous-coal-mine roof strata.

Development of a chloride volatilization process for manganese ores from Aroostook County, Maine :progress report

Carbonizing tests with Tuscaloosa oven :use of fluid petroleum coke as a blending agent

Anthracite mechanical-mining investigations :second testing of Brieden pneumatic packing machine

Carbonizing properties of Somerset County, Pa., coals

Beneficiation studies of nickeliferous ores from the Shamrock Mine, Jackson County, Oreg., and the Congress Mine, Ferry County, Wash.

Spectrochemical analysis of titanium and titanium alloys by a porous cup-spark method

Preliminary mineral-dressing investigation of East Texas brown iron ores

Spectrophotometric determination of tantalum with gallic acid

Separation of tantalum-columbium by solvent extraction

Synthetic liquid fuels :annual report of the secretary of the interior for 1955.

Calculating oil recoveries for solution-gas-drive reservoirs :evaluation of permissable errors in P.V.T. data and kg/ko ratios

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