Browse TRAIL Inventories

Mining methods and costs at the New Cornelia Branch, Phelps Dodge Corporation, Ajo, Ariz.

Iron oxide pigments and mortar colors

Sand and gravel dredging methods and costs of J.K. Davison & Bro., Pittsburgh, Pa.

Coke-oven accidents in the United States during the calendar year 1931

Accidents at metallurgical works in the United States :during the calendar year 1930

Quartz gem stones

Pumice and pumicite

List of motors available to prospective builders of permissible outfits

Milling methods and costs at the Superior concentrator of the Engels Copper Mining Co., Plumas County, Calif.

Milling methods at the Questa concentrator of the Molybdenum Corporation of America, Questa, New Mexico

Mining laws of Egypt

250 versus 500 volts or more for circuits in gassy coal mines

Motor gasoline survey, August, 1931.

Selecting and training the refinery personnel to prevent accidents

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

Character of drainage from mines in the Thick Freeport coal bed, Pennsylvania

The effect of the crimped-paper ends on cartridges of permissible explosives in propagating detonation

Economics of potash recovery from wyomingite and alunite

Sanitary surveys of coal-mining, metal-mining, and smelter towns of Utah

Analyses of crude oils from the Oklahoma City Field, Oklahoma

Smelting in the lead blast furnace :Handling rich charges.

Survey of fuel consumption at refineries in 1931

Consumption of primary tin in the United States during 1930

A tabular review of state laws relating to taxation and inspection of gasoline and other petroleum products

Radium in medical use in the United States

Geophysical abstracts.

Pressure losses due to bends and area changes in mine airways

Abrasive and industrial diamonds

Geophysical abstracts.

Geophysical abstracts.

Mining methods and costs at the Interstate zinc & lead Co.'s Hartley Mine, Tri-state zinc and lead district

The significance of the Bureau of Mines approval of gas masks

Petroleum refineries in the United States, January 1, 1932

Vanadium

Mining laws of Newfoundland

Milling methods and costs at the concentrator of the Miami Copper Co., Miami, Ariz.

Shaft sinking at the Morton Salt Co. mine at Grand Saline, Texas

Shaft-sinking methods and costs, and cost of plant and equipment at the Macassa Mine, Kirkland Lake, Ontario

Milling methods and costs at a Flat River (Mo.) mill

Milling methods at the Balmat Mill of the St. Joseph Lead Co., Balmat, St. Lawrence County, N.Y.

Economic factors influencing the domestic demand for gasoline.

Mining methods and costs at Fresnillo, Zacatecas, Mexico

Production of explosives in the United States :during the calendar year 1931

Pneumatic tabling of coal :effect of specific gravity, size, and shape

A study of mine roof of the Pittsburgh coal bed in the Pittsburgh mining district

Methods and costs of mining and preparing gravel and sand for market at the plant of the Seaboard Sand and Gravel Corporation, Port Jefferson, N.Y.

Bonuses to encourage safe work and for work safely done

Mining laws of Norway

Safety progress in anthracite and bituminous coal fields

Ten years of fatal accidents and two years of accident costs in Indiana coal mining


Published Year

Subject

Author

‹‹ previous 1 2 ... 9 10 11 12 13 14 15 ... 26 27 next ››