Browse TRAIL Inventories

Prospecting for lode gold

Jade

Coal-mine explosions and fires in the United States :during the fiscal year ended June 30, 1935

How to use permissible explosives properly

Methane-indicating detectors prove dependable in sampling air in anthracite mines

Sand and gravel excavation.

Progress report on investigation of detachable rock-drill bits

Notes on testing and explosibility of coal dusts and a proposal to have an international test method

Quarrying and crushing methods and costs at the Avon Mountain trap rock quarry of the Atlas Sand, Gravel & Stone Co., West Hartford, Conn.

Mining and milling methods and costs :Hog Mountain Gold Mining and Milling Co., Alexander City, Ala.

Some suggestions on the prevention of electrical accidents in coal mines

Mining methods and costs at the Park City Consolidated Mines Co., Park City, Utah

Alums and aluminum sulphate

Patents on geophysical prospecting issued in the United States, England, Canada, Australia, Germany, France, and Russia

Mining and grinding methods and costs at the Claycraft Company shale pit, Taylor Station, Columbus, Ohio

Shifts in sources of chromite supply

Mining and grinding methods and costs at the L.W. Camp Co. shale pit, Akron, Ohio

Ringelmann smoke chart

Mining and grinding methods and costs at the Camp Brothers Company shale pit, Mogadore, Ohio

Coal-mine fatalities in Alabama :1931-34

Review of literature on effects of breathing dusts with special reference to silicosis.

Longwall mining methods in some mines of the Middle Western states

Electrical viewpoint in a complete safety survey of a coal mine

Explosions of coal dust in tipples and cleaning plants and some suggestions on preventing them

Accident-cost data on most of the bituminous coal mined east of the Mississippi River from April 1, 1934 to January 31, 1935

Natural-gasoline plants in the United States :January 1, 1936

Geophysical prospecting for underground waters in desert areas

Mining and milling methods and costs at the Yellow Aster Mine, Randsburg, Calif.

Gold mining and milling in the Black Mountains, Western Mohave County, Ariz.

Reconnaissance of mining districts in Pershing County, Nev.

The new Bureau of Mines Southern Experiment Station at the University of Alabama, Tuscaloosa, Ala.

Milestones in mine-safety legislation

Gold mining and milling in the Black Canyon area, Yavapai County, Ariz.

Petroleum refineries, including cracking plants, in the United States, January 1, 1936

Hot milling of rock-drill bits at the mines of the Vinegar Hill Zinc Co., Platteville, Wis.

Underground mill at the Doyle Mine, Shullsburg, Wis.

Mining, treatment, methods, and costs at the Gifford Hill & Co. sand and gravel plant at Hoot Spur near Texarkana, Tex.

Progress report no. 2 on investigation of detachable rock-drill bits

Carbonizing properties and petrographic composition of Pittsburgh bed coal from Pittsburgh terminal no. 9 mine, Washington County, Pa.

Carbonizing properties and petrographic composition of Clintwood bed coal from Buchanan Mines nos. 1 and 2, Buchanan County, Virginia

Microcolorimetric determination of benzene in blood and urine

Permissible electrically operated air compressors

The National safety competition of 1935

Extraction methods for determining tar acids and bases, and variables affecting their accuracy

Check determinations of grindability of coal by various methods

Comparison of output and intake characteristics of natural-gas wells in Texas Panhandle field

Investigations during 1934 of combustibles in manholes in Boston, Mass.

Progress reports--metallurgical division.

Ventilation of manholes.

The improved permissible flame safety lamps


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