Browse TRAIL Inventories

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

Entry of solutions into ores during leaching.

How to compute tables for determining electrical resistivity of underlying beds and their application to geophysical problems

Microscopic study of Elkhorn coal bed at Jenkins, Letcher county, Ky.

Safety at the Old Dominion copper mine, Globe, Ariz.

Geophysical abstracts.

Mine explosions and fires in the United States during the fiscal year ending June 30, 1931

List of permissible mine equipment

Feldspar gems :(Amazon stone, Moonstone, Sunstone, etc.)

Practical rules for the use of the magnetometer in geophysical prospecting

Mining laws of Latvia


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