Browse TRAIL Inventories

The significance of solvent analysis as applied to coal

Turquoise

List of permissible self-contained oxygen breathing apparatus, gas masks, and hose masks

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

Twenty live reasons for first-aid training in California

Emeralds

Coal-Mine Fatalities in the United States, 1929

Metal-Mine Accidents in the United States During the Calendar Year 1929

Quarry Accidents in the United States During the Calendar Year 1929

Mine ventilation in the Coeur d'Alene mining district

Diatomite

Mining methods and costs at the Spring Hill Mine, Montana Mines Corporation, Helena, Mont.

Mining methods of the Bunker Hill and Sullivan Mining and Concentrating Co., Kellogg, Idaho

Milling methods and costs at the Spring Hill Concentrator of the Montana Mines Corporation, Helena, Mont.

Platinum

Nitrogen and its compounds

Hafnium

Boron and its compounds

Rhenium (and masurium)

Zircon (the gem)

Chalk, whiting, and whiting substitutes

Petroleum Refinery Statistics: 1929

Mining methods of the Ducktown Chemical & Iron Co., Mary Mine, Isabella, Tenn.

Construction of the Wachusett-Coldbrook Tunnels

How and why fatalities occurred in Pennsylvania bituminous-coal mines during the 5-year period, 1926-1930

Safety inspections in and around iron mines in the Lake Superior district

Safety standards and safety suggestions at iron mines in the Lake Superior region

Mining methods of the molybdenum corporation of America at Questa, N. Mex.


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