Browse TRAIL Inventories

The method of underground mining of iron ore in the district of Krivoy Rog

Practical application and cost of proper rock-dusting

Concentrator methods and costs at the Hayden Plant of the Nevada Consolidated Copper Co., Arizona

Mining methods of the Rosiclare Lead & Fluospar Mining Co., Rosiclare, Illinois

Feldspar

Mining methods at the Page mine of the Federal Mining and Smelting Co., Page, Idaho

Recent developments in the mining industry

List of permissible mine equipment

Tantalum (and Columbium)

Mining methods and costs at the Teck-Hughes Gold Mines (Ltd.), Kirkland Lake, Ontario

Nomographs for calculating the second derivatives of the force of gravity potential obtained by observations made with a torsion balance at five azimuths

Hazards and protection of underground transformer installations

The miner's ounce of prevention--the operator's pound of cure

Electrical blasting practice as some coal mines in state of Washington

Proposed standard smoke ordinance.

World reserves and resources of tin

Safety in connection with haulage practices in Alabama coal mines

Mining methods and costs at the Ground Hog Unit, Asarco Mining Co., Vanadium, New Mexico

Mining and engineering methods and costs of the Hanover Bessemer Iron & Copper Co., Fierro, N. Mexico

Radium

The granite industry :dimension stone

Barite and barium products.

Sulphur :general information

Marble

Selenium and tellurium

Monazite, thorium, and cerium

Underground mining practice and costs at a Mesabi Range (Minnesota) mine using the top slicing system

Mineral wool

Production of explosives in the United States :during the calendar year 1928

Results of air repressuring and engineering study of Williams Pool Putnam-Moran District Callahan County, Texas

Chemistry of leaching chalcocite

Stock distribution and gas-solid contact in the blast furnace

A study of the production of activated carbon from various coals and other raw materials

Toxic gases from 60 per cent gelatin explosives

Timbering regulations in certain coal mines of Pennsylvania, West Virginia, and Ohio

Resistivity measurements of oil-bearing beds

The Wire Saw in slate quarrying

Acceleration of extraction of soluble copper from leached ores

Ignition of natural gas-air mixtures by heated surfaces

Production of explosives in the United States :during the calendar year 1929

Re-treatment of mother lode (California) carbonaceous slime tailings

Chemistry of leaching covellite

Analyses of Maryland coals

Coke-oven accidents in the United States :during the calendar year 1928

How leakage of current from an electric shot-firing circuit causes misfires

Accidents at metallurgical works in the United States :during the calendar year 1928

A study of the lubricant fractions of Cabin Creek (W. Va.) petroleum

Intensities of odors and irritating effects of warning agents for inflammable and poisonous gases

Re-forming natural gas

Coke-oven accidents in the United States :during the calendar year 1929


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