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Mining methods and costs at the Teziutlan Copper Mine of the Mexican Corporation, S.A., Teziutlan, Puebla, Mexico

Methods and costs at the Granite Quarry and Crushed-Stone Plant of the Weston & Brooker Co., Cayce, S.C.

Limestone.

The Experimental mine of the United States Bureau of Mines

Mining laws of the Irish Free State

Petroleum refineries, including cracking plants, in the United States, January 1, 1933

A review of coal-mine fatalities in Indiana during the fiscal year, October 1, 1931, to September 30, 1932

Economic aspects of gold and silver

Blasting practices as they affect the roof of coal mines in Ohio, Pennsylvania, and West Virginia

Accident prevention at the New Black Diamond Coal Mine, Washington

Safety practices in tunneling operations at the Hetch Hetchy Water-supply Project, City and County of San Francisco, Calif.

Design, equipment, and construction costs of Davis-Dunkirk concentrator, Prescott, Ariz.

Explosives accidents in California metal mines

Evolution of methane detecting devices for coal mines

Metal-mine ventilation

Development of sand and gravel deposits

Manganese :general Information

Production of explosives in the United States :during the calendar year 1932

Accidents at metallurgical works in the United States :during the calendar year 1931

Compressibility and bearing strength of coal in place :tests of lateral compression of Pittsburgh coal bed

Limits of inflammability of natural gases containing high percentages of carbon dioxide and nitrogen

Active list of permissible explosives and blasting devices approved prior to June 30, 1933.

The National safety competition of 1932

Places of occurrence of injury from falls of roof

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

A study of roof in Pennsylvania mines contiguous to Monongahela River

The present status of the mineral industry

Mining laws of Switzerland

Markets for residential stone


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