Browse TRAIL Inventories

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.

Twenty live reasons for first-aid training in California

Emeralds

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

Mining laws of Great Britain

Milling methods and costs of Coniaurum Mines, Ltd., Schumacher, Ontario

Bibliography of the metallurgical work of the U.S. Bureau of Mines in 1930

Sampling and exploration by means of hammer drills

Guarding trolley wires in mines

Methods and costs of mining and preparing sand and gravel at the Clowdy Plant of the Dallas Washed and Screened Gravel Co., Dallas, Tex.

Index to Geophysical Abstracts :no. 21 to no. 32

Notes pertaining to safety inspections of permissible electric mine equipment

Data in reference to installation of cables in shafts and boreholes

Rock-dust does stop or limit mine explosions

A mechanically driven level rock tunnel

Quarrying methods and costs at the Sloan quarry of the United States Lime Products Corporation, Sloan, Nev.

Milling methods and costs at the lead concentrator of the Hecla Mining Co., Gem, Idaho

Mining methods and costs at the Mt. Hope mine of the Warren Foundry and Pipe Corporation, Mt. Hope, N.J.

Shaft-sinking methods, practices, and costs of the Consolidation Coal Co. at its no. 261 mine, Caretta, McDowell County, W. Va.

Method and cost of quarrying limestone at the Milltown quarry of the Louisville Cement Co., Milltown, Indiana

Methods and costs of concentrating scheelite ore at the Silver Dike Mill, Mineral County, Nev.

Milling methods and costs at the Pecos Concentrator of the American Metal Co., Tererro, N. Mex.

Quarrying and crushing methods and costs at the Santa Catalina Island quarry of Graham Bros., Inc., Santa Catalina Island, Calif.

Gold mining and milling methods and costs at the Vallecito Western Drift mine, Angels Camp, Calif.

Factors governing the selection of the proper level interval in underground mines

Methods and costs of mining and crushing gypsum at the mine of the Blue Diamond Corporation, Ltd., Arden, Nev.

A ventilation study of the Graceton Coal & Coke Co. mine, Graceton, Pa.

Falls of roof and coal in Washington mines

Mica-mining methods, costs, and recoveries at no. 10 and no. 21 mines of the Spruce Pine Mica Co., Spruce Pine, N.C.

Accident experience and cost in Pennsylvania anthracite and bituminous mines :1926-30

Milling methods and costs at the concentrator of the Britannia Mining & Smelting Co., Ltd., Britannia Beach, B.C.

Milling methods and costs at the Hillside Fluorspar mines, Rosiclare, Ill.

Employee-timekeeping system and mechanical pay-roll methods at Britannia Mining & Smelting Co. (Ltd.), Britannia Beach, B.C.

Magnetic concentration methods and costs of Witherbee, Sherman & Co., Mineville, N.Y.


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