Browse TRAIL Inventories

The reaction between magnetite and ferrous sulfide.

Note on copper constantan thermocouple calibration below 0⁰ C

Reduction of zinc oxide by methane or natural gas

Smelting in the lead blast furnace :handling rich charges.

A general review of the United States Bureau of Mines stream pollution investigation

The overheating of rubber-sheathed trailing cables

A study of falls of roof and coal in mines of Harrison County, West Virginia

The effect of certain operating variables on the efficiency of the coal-washing table

Consumption of explosives in December, 1930

Re-treatment of Sayreton jig middlings on coal-washing tables

A practical method of solving the emergency manganese problem

The National safety competition of 1930

Twenty-third semiannual motor-gasoline survey :Part III

The acidity of Black Lick, Two Lick and Yellow Creeks, Pennsylvania during low water in 1930

Twenty-third semiannual motor-gasoline survey.

The production of motor fuels from natural gas.

Twenty-third semiannual motor-gasoline survey.

Milling methods at the Hurley Plant of the Nevada Consolidated Copper Co., Hurley, N. Mex.

Mining practice at the Chino mines, Nevada Consolidated Copper Co., Santa Rita, N. Mex.

Economics of crushed-stone production

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

Milling methods at the Midvale concentrator of the U.S. Smelting, Refining & Mining Co., Midvale, Utah

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

The significance of solvent analysis as applied to coal

Turquoise

List of permissible self-contained oxygen breathing apparatus, gas masks, and hose masks


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