Browse TRAIL Inventories

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

Utilization of dolomite and high-magnesium limestone

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

Mining practices, methods, and costs at Elkoro mines, Jarbidge, Nev.

Geophysical abstracts.

Geophysical abstracts :no. 27

Mining laws of Palestine

The Bureau of Mines coal-sampling truck

Mining, treatment, methods, and costs at the East Texas Gravel Co.'s deposits near Bois D'Arc, Tex.

Fatal accidents in Alabama coal mines during 1930

Pyrites :general information

Safety education at iron mines of the Lake Superior region

Method and cost of quarrying, crushing and grinding limestone at the Catskill Plant of North American Cement Corporation, Catskill, N.Y.

Mining laws of Ethiopia (Abyssinia)


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