Browse TRAIL Inventories

Methods and costs of quarrying, crushing, and grinding limestone at the plant of Southwestern Portland Cement Co., El Paso, Tex.

Mining, treatment methods and costs at the plant of the Colsolidated Rock Products Co., Durbin, Calif.

Method and cost of quarrying limestone at the plant of the Calaveras Cement Co., San Andreas, Calif.

Mining laws of Siam

Mining laws of Cyprus

Growth and development of nonmetallic mineral industries

Cut-and-fill stoping

Square-set system of mining

Some notes on methods and costs of equipping and developing prospects

Saving life by barricading in mines and tunnels at times of disaster

Mining laws of Chosen (or Korea)

Diamond drilling at the United Verde mine

Portable electric lamps for animal haulage in Alabama

Flotation processes for cleaning fine coal

Mining laws of Surinam (Dutch Guiana)

Timber withdrawing and devices used for this purpose in some coal mines

Factors and conditions that aid in alinement of pillar extraction lines in coal mining

Recommendations of the United States Bureau of Mines on certain questions of safety as of February 3, 1933

About helium

Safety practices and achievements at the Columbia Mine of the Columbia Steel Co. (subsidiary of the United States Steel Corporation)

Milling methods and costs at the concentrator of the Premier Gold Mining Co., Ltd., Premier, B.C., Canada

Manganese :general Information

Development of sand and gravel deposits

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


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