TRAIL - Technical Report Archive and Image Library

Carbonizing properties of thick Freeport and Pittsburgh coals from Pennsylvania, Elkhorn coal from Kentucky, and America and Mary Lee coals from Alabama

Carbonizing properties of no. 5 block-bed coal from no. 5 mine, Montcoal, Raleigh County, W. Va.,and of Pocahontas no. 6-bed coal from Birdseye mine, Sewell, Fayette County, W. Va.

Carbonizing properties of Beckley-bed coal from Stanaford no. 1 mine, Mount Hope, Raleigh County, W. Va.

Asphalts from Rocky Mountain Crude Oils :laboratory preparation and comparison

Report of research and technologic work on explosives, explosions, and flames :fiscal years 1947 and 1948

Hazards of black blasting powder in underground coal mining

Major disasters at metal and nonmetal mines and quarries in the United States (excluding coal mines)

Mining practices at the Harrington-Hickory mine Beaver County, Utah

Safe electrical practices in two Arizona open-pit mines

Safety practices at United Verde Mine, Phelps Dodge Corp., Jerome, Ariz.

Safeguarding underground workmen from noxious gases resulting from blasting in strip mines

Investigation of the Benjamin Franklin graphite mine (government owned) and the Just graphite mine, Chester County, Pa.

Investigation of tungsten occurrences in Darwin District, Inyo County, Calif.

Investigation of Suffern graphite depositsn Rockland County, N.Y.

Investigation of the Hogan tin mine Kern County, Calif.

The National Fuel Efficiency Program During the War Years, 1943-45

An Index of Shale-Oil Patents

Investigation of tin-bearing pegmatities in the Tinton area, Lawrence County, S. Dak.

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

Achievements in mine safety research and problems yet to be solved

Natural gasoline and cycle plants in the United States, January 1, 1950

Mining, milling, and manufacturing methods at the Blue Diamond Corp.'s gypsum property, Clark County, Nev.

Annual report of research and technologic work on coal :fiscal year 1949

Review of dust-allaying practices at working faces in some bituminous-coal and lignite mines

Review of literature on health hazards of beryllium and its compounds

Safety practices in churn drilling at Morenci Branch, Phelps Dodge Corp, Morenci, Ariz.

Report of Petroleum and Natural-gas Branch :fiscal year 1949

Conditions and practices at coal mines in the Ruhr district of western Germany

Synthetic liquid fuels :annual report of the Secretary of the Interior for 1949.

Bureau of Mines strategic minerals development program :summary of progress, 1939-1949

Laboratory concentration of mercury ores from Oregon, California, Idaho, and Nevada

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