Browse TRAIL Inventories

Some experiments on the initiation of coal-dust explosions by gas explosions

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

The use and value of air analyses in Illinois mines

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

Concentration of chromite

Concentration tests on tailings from the washing plants on the Mesabi Range, Minnesota

Caesium, rubidium, and lithium

List of manufacturers of permissible equipment and explosion-proof accessories, as of January 1, 1930

Automatic derailing switch at Roslyn no. 3 mine, Northwestern Improvement Company, Roslyn, Wash.

Comparative advantages of applying several geophysical methods of prospecting to the same territory

Mining methods and costs, American Zinc Co. of Tennessee, Mascot, Tenn.

Mining practice at Harmony Mines Co., Baker, Idaho

Mining practices, methods, and costs at mine no. 5 of the Marquette Range, Michigan

Mining practice at the Pecos mine of the American Metal Co. of New Mexico

Mining laws of Italy

What the superintendent of a coal mine might do to prevent injury from falls of roof

Selected list of Bureau of Mines publications covering safety studies and activities of the electrical section

Study of quarry costs :trap rock, sandstone, granite

Methods and costs of concentrating tungsten ore at the Nevada Massachusetts Mill, Mill City, Nevada

Performance tests for trailing cables

Phosphate rock.

Effect of abnormal air conditions on mine workers

Accident prevention in coal mining

Shaft sinking at the Sevier Valley Coal Co. mine

Connection between physical condition and liability to accidents of metal miners

What the mine foreman can do to prevent injury from falls of roof in coal mines

Fire-fighting equipment and organization of the Madison Coal Corporation, Glen Carbon, Madison County, Illinois

Mining methods and costs at the Pilares mine, Pilares de Nacozari, Sonora, Mexico

Some hazards of conveyor loading in coal mines

Methods and costs of mining at Hartley-Grantham mine, Tri-State zinc and lead district

Driving rock slopes at the new Peerless mine

Safety achievements of a Pennsylvania bituminous-coal mine and of a coal-mine superintendent

The method of underground mining of iron ore in the district of Krivoy Rog

Practical application and cost of proper rock-dusting

Concentrator methods and costs at the Hayden Plant of the Nevada Consolidated Copper Co., Arizona

Mining methods of the Rosiclare Lead & Fluospar Mining Co., Rosiclare, Illinois

Feldspar

Mining methods at the Page mine of the Federal Mining and Smelting Co., Page, Idaho

Recent developments in the mining industry

List of permissible mine equipment

Tantalum (and Columbium)

Mining methods and costs at the Teck-Hughes Gold Mines (Ltd.), Kirkland Lake, Ontario

Nomographs for calculating the second derivatives of the force of gravity potential obtained by observations made with a torsion balance at five azimuths

Hazards and protection of underground transformer installations

The miner's ounce of prevention--the operator's pound of cure

Electrical blasting practice as some coal mines in state of Washington

Proposed standard smoke ordinance.

World reserves and resources of tin

Mining methods and costs at the Ground Hog Unit, Asarco Mining Co., Vanadium, New Mexico

Mining and engineering methods and costs of the Hanover Bessemer Iron & Copper Co., Fierro, N. Mexico


Published Year

Subject

Author

‹‹ previous 1 2 ... 15 16 17 18 19 20 21 ... 201 202 next ››