Browse TRAIL Inventories

Milling methods and costs at the Montana mine concentrator of the Eagle-Picher Lead Co., Ruby, Ariz.

Topaz

Survey of cracking plants :January 1, 1931

Explosions in Tennessee coal mines

Magnesite

Mining laws of the Dominican Republic

Mining laws of Hungary

Revision of the free energy of formation of sulphur dioxide

Suggestions for wiring permissible equipment

Progress in metal-mine ventilation in 1930

Quartz and silica.

Milling methods and costs at the Arthur and Magna concentrators of the Utah Copper Co.

Significant features of wire-saw operation in Europe

Milling methods and costs at the Verde Central concentrator, Jerome, Ariz.

Opals

A comment upon present-day applied geophysics

Essential factors influencing subsidence and ground movement

Milling practice of the Kirkland Lake Gold Mines (Ltd.), Kirkland Lake, Ontario

Fatalities in Tennessee coal mines

Factors involved in the heap leaching of copper ores

Garnets (gem stones)

Method and cost of quarrying limestone at the quarry of the Trinity Portland Cement Co., Fort Worth, Tex.

Specially recommended trailing cables

Umber, sienna, and other brown earth pigments

Bismuth

Zirconium.

Zirconium.

Milling methods and costs at the concentrator of the Treadwell Yukon Co., Ltd., at Tybo, Nev.

Thallium

Mining methods and costs at the Champion Copper Mine, Painesdale, Mich.

Mining methods and costs at metal mines of the United States

Tourmaline

Studies on determination of sulphur in gasoline

Production of explosives in the United States during the calendar year 1930

Analyses of Washington coals

Copper and zinc in cyanidation sulphide-acid precipitation

Electromagnetic absorption by rocks :with some experimental observations taken at the Mammouth Cave of Kentucky

Relationship between volatility and consumption of lubricating oils in internal-combustion engines

Influence of fractionation on distribution of sulphur in gasoline

Coke-oven accidents in the United States :during the calendar year 1930

Analyses of Wyoming coals

Separation and size distribution of microscopic particles:an air analyzer for fine powders

Bibliography of United States Bureau of mines investigations on coal and its products 1910-1930

Accuracy of manometry of explosions :comparative performance of some diaphragm-type explosion manometers when using hydrogen-air mixtures

Treating a complex ore :data from experimental work on ores in the Denver laboratories of the Complex ores recovery co.

Accidents at metallurgical works in the United States :during the calendar year 1929

Explosions in Washington coal mines

Chemistry of leaching bornite

Coal-mine safety organizations in Alabama

Deoxidation of steel with silicon


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