Browse TRAIL Inventories

Volatilization of impuities from zinc concentrates

Limestone.

Mining methods and costs at Granada Gold Mines, Ltd., Rouyn, Quebec

Mining laws of Bulgaria

Mining laws of Madagascar

Mining laws of New Caledonia and French Oceania

Mine explosions and fires in the United States during the fiscal year which ended June 20, 1932

Method and cost of exploring, equipping for development, and developing the Central Patricia Group of Claims, Northern Ontario

Methods and costs of developing and equipping the Ashley Gold Mine, Matachewan gold district, Ontario

Milling methods and costs at the San Guillermo concentrator of the Compani©Øa Industrial "El Potosi," S.A., San Guillermo, Chihuahua, Mexico

Mining laws of French Guiana

Mining laws of Sweden

Mining laws of Iraq

Mining methods and costs at Plant C, Eliot, Calif., of the Pacific Coast Aggregates (Inc.)

Mining laws of French Indo-china

Metal-mine fires and ventilation

Methods and costs of milling ferberite ore at the Wolf Tongue Concentrator, Nederland, Boulder County, Colo.

An international viewpoint on safeguarding electrical equipment used in gassy mines

Supplementary notes on core drilling in the salt beds of western Texas and New Mexico :tests 13 to 24

Mining laws of Tunisia

Mining laws of Syria

Coke-oven accidents in the United States :during the calendar year 1932

Solubility and liberation of gas from natural oil-gas solutions

Unwatering flooded coal mines in Washington

Explosive properties of acetone-air mixtures

Protection of equipment containing explosive acetone-air mixtures by the use of diaphragms

Carbonizing properties and constitution of no. 2 gas bed coal from Point Lick no. 4 mine, Kanawha County, W. Va.

Viscosity of natural gas

A study of roof in Pennsylvania mines contiguous to Monongahela River

Falls of roof in mines operating in the Pittsburgh Coal Bed, West Virginia

The present status of the mineral industry

Mining laws of Switzerland

Markets for residential stone

Method and cost of mining sand and gravel at the Farmington (Conn.) plant of the Atlas Sand, Gravel & Stone Co.

Washability studies of coal from the Henry Ellen Bed at Acmar No. 5 Mine, Acmar, Ala.

The Development of an Electrolytic Method for the Determination of Inclusions in Plain-Carbon Steels

Coal-Mine Accidents in the United States: 1931

Metal-Mine Accidents in the United States During the Calendar Year 1931

Quarry Accidents in the United States During the Calendar Year 1931

Estimate of the Gas Reserves of the Oklahoma City Oil Field, Oklahoma County, Oklahoma

Working an underground mine 6 years without lost-time accidents

Mining, treatment methods, and costs at the western Indiana Gravel Co.'s plant no. 1, Lafayette, Ind.

Mining laws of British North Borneo

List of permissible mine equipment

Mining laws of Luxembourg

Explosions in Pennsylvania coal mines, 1870-1932

Accident experience and costs in Colorado metal mines

Mining laws of French Equatorial Africa, West Africa, Cameroun, and Togo

Milling methods and costs at the Golden Cycle Mill, Colorado Springs, Colo.

Accident experience of four Louisiana petroleum refineries


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