TRAIL - Technical Report Archive and Image Library

Mining laws of Great Britain

Safety in the iron mines of the Menominee Range, Michigan

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

Milling methods and costs of the Minas de Matahambre, S.A., concentrator

Mining and crushing methods and costs at the Monocacy Quarry of the John T. Dyer Quarry Co., Monocacy, Pa.

Magnesium compounds (other than magnesite)

Milling methods and costs at the Homestake Mine, Lead, S. Dak.

Some coal-mine safety organizations in the Pennsylvania bituminous field

Some safety records in Illinois coal mines

Mine explosions, mine fires, and miscellaneous accidents in the United States during the fiscal year ended June 30, 1930

Compendium on limes in hydrometallurgy and flotation

Safety consciousness

Method and cost of recovering quicksilver from low-grade ore at the reduction plant of the Sulphur Bank Syndicate, Clearlake, Calif.

Requirements for bolts and similar fastenings for permissible electrical equipment

Amalgamation practice at the Porcupine United Gold Mines, Ltd., Timmins, Ont.

Supervision as a means of preventing accidents from falls of roof and coal

Some runaway car trips on inclines at coal mines

Effect on workers of air conditions

Mining, crushing, and grinding methods and costs at the Reliance Cement-Rock Quarry of the Giant Portland Cement Co., Egypt, Pa.

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

Methods and costs of mining quicksilver ore at the New Idria Mine, San Benito County, Calif.

State mine inspectors :their appointment, qualifications, and remuneration

Petroleum refineries in the United States, January 1, 1931

Methods and costs of milling feldspar at the Minpro Plant, Tennessee Mineral Products Corporation, Spruce Pine, N.C.

Mining methods of Kirkland Lake Gold-Mining Co. (Ltd.), at Kirkland Lake, Ontario.

Protection against mercury vapor afforded by canister gas masks

Salts in the tri-state mill waters :their ill-effect on the flotation of blende and their removal

Official changes in the active list of permissible explosives and blasting devices for January, 1932

Concentration of the rake discharge from a bowl classifier in a washing plant of the Mesabi Range, Minnesoda

Acidity of drainage from high pyritic coal areas in Pennsylvania

Washability studies of the Brookwood Bed at the Warrior View Mine, Tuscaloosa, Ala.

Analytical distillation of coal tar

Some methods of separating oil and water in West Texas fields, and the disposal of oil-field brines in the Hendricks oil field, Texas

The National safety competition of 1931

The use of lime in a salt solution for removing hydrogen sulphide from natural gas

Do fuses protect against methane ignition?

Falls of roof and coal in the Book Cliffs and Wasatch Plateau Coal Fields in Utah

Investigations during 1931 of gases in manholes in Boston, Massachusetts

Compressed air for operating modern coal-mining equipment

Composition of the fractions of primary and high-temperature tar

Explosive shattering of minerals as a substitute for crushing preparatory to ore dressing

The determination of volatile matter in low-temperature cokes, chars, and noncoking coals

Inflammable gases produced by thermal decomposition of plastic insulators in an electric arc

A study of falls of roof and coal in mines of Lincoln County, Wyoming

Use of micropyrometer for high-temperature melting point

Washability data on certain coal beds of Alabama with special reference to sulphur elimination

Absorbents for liquid-oxygen explosives :their relation to sensitiveness to impact and other properties of L.O.X.

Active list of permissible explosives and blasting devices approved prior to June 30, 1932

Review of fatalities in the California petroleum industry during the calendar year 1931

Toxicity of dichlorotetrafluoroethane

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