Browse TRAIL Inventories

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

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

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.

Deep mining methods, conglomerate mine of the Calumet and Hecla Consolidated Copper Co.

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)

Mining practice and costs of the Vipond Mine, Timmins, Ontario

Mining and crushing methods and costs at the Tiffin Limestone quarry of the Thurber Earthen Products Co., Fort Worth, Tex.

Methods and costs of concentrating tungsten ores at Atolia, San Bernardino County, Calif.

Mining laws of Austria

Geophysical abstracts.

Geophysical abstracts.

Official changes in the active list of permissible explosives and blasting devices for August, 1930

Rock-dusting a Pennsylvania coal mine

Consumption of explosives in November, 1930 /W.W. Adams and L.S. Gerry.

Flotation of low-grade phosphate ores.

Smelting in the lead blast furnace :handling rich charges.

Gases in manholes :a survey of a utility in Boston, Mass.

Flotation reagents, 1929


Published Year

Subject

Author

‹‹ previous 1 2 ... 5 6 7 8 9 10 11 ... 26 27 next ››