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Mining methods and costs at the Interstate zinc & lead Co.'s Hartley Mine, Tri-state zinc and lead district

The significance of the Bureau of Mines approval of gas masks

Petroleum refineries in the United States, January 1, 1932

Vanadium

Mining laws of Newfoundland

Milling methods and costs at the concentrator of the Miami Copper Co., Miami, Ariz.

Shaft sinking at the Morton Salt Co. mine at Grand Saline, Texas

Shaft-sinking methods and costs, and cost of plant and equipment at the Macassa Mine, Kirkland Lake, Ontario

Milling methods and costs at a Flat River (Mo.) mill

Milling methods at the Balmat Mill of the St. Joseph Lead Co., Balmat, St. Lawrence County, N.Y.

Economic factors influencing the domestic demand for gasoline.

Mining methods and costs at Fresnillo, Zacatecas, Mexico

Methods and costs of mining and preparing gravel and sand for market at the plant of the Seaboard Sand and Gravel Corporation, Port Jefferson, N.Y.

Bonuses to encourage safe work and for work safely done

Mining laws of Norway

Safety progress in anthracite and bituminous coal fields

Ten years of fatal accidents and two years of accident costs in Indiana coal mining

The cost of developing to the operating stage and equipping a small or medium-sized mine in the Tri-State lead and zinc district

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

Milling methods at the lead-zinc concentrator of the International Smelting Co., Tooele, Utah

Explosions in Utah coal mines, 1900-1932

Onyx marble and travertine

Essentials for a preliminary report on a small lode-gold mine or prospect, with notes on sampling

Use of electric power in Castle Gate No. 2 mine, Utah Fuel Co.

Mining methods and costs at the McIntyre Porcupine Mines, Ltd., Schumacher, Ontario

Petroleum and natural-gas studies of the United States Bureau of Mines

Protective clothing in the mining industry

Cost of equipping and developing a small gold mine in the Bradshaw Mountains quadrangle, Yavapai County, Ariz.

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.


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