Browse TRAIL Inventories

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

Consumption of explosives in February, 1931

Consumption of explosives in March, 1931

Comparison of storage-battery and cable-reel gathering locomotives in a West Virginia coal mine

Official changes in the active list of permissible explosives and blasting devices for June, 1931

Sand-and-gravel safety contest of 1930

Official changes in the active list of permissible explosives and blasting devices for October, 1931

Mining, treatment methods, and costs, Menantico Sand & Gravel Co., Millville, N.J.

Mining methods at the Block P Mine of the St. Joseph Lead Co., Hughesville, Mont.

Mining methods at the Eighty-five mine.Calumet and Arizona Mining Co., Valedon, N. Mex.

Some notes on underground transportation in metal mines

Street paving in representative American cities :1925-29

List of permissible mine equipment

Milling methods at the Hughesville Concentrator of the St. Joseph Lead Co., Hughesville, Mont.

Mining laws of the Netherland East Indies

Concentrating methods and costs at the Morenci Concentrator of the Phelps Dodge Corporation, Morenci, Greenlee County, Ariz.

Milling methods and costs at the Concentrator of the Old Dominion Co., Globe, Ariz.

Rubies and sapphires

Mining laws of the Netherlands

Organization plan of the Holmes Safety Association

A new signaling device for shaft mines

Underground chute gates in metal mines

Method and cost of quarrying limestone and shale at the quarry of the Trinity Portland Cement Co., Dallas, Tex.

Lost-time accidents in some Alabama coal and iron mines during 1930

Mining methods and costs at the Central-Eureka Mine, Amador County, Calif.

The paramount issue

Resistivity measurements upon artificial beds

Mining and crushing methods and costs at the West Penn Cement Co., limestone mine, West Winfield, Pa.

Mining laws of Cuba

Mining methods and costs of mining copper ore at the Verde Central Mines, Inc., Jerome, Ariz.

Mining methods and costs at the Porcupine United Gold Mines' Rochester Mine at Timmins, Ontario

Quartz and silica.

Tunnel driving methods used at the Ojuela unit of the Compania Minera de Penoles, S.A., Ojuela, Durango, Mexico


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