TRAIL - Technical Report Archive and Image Library

The National Safety Competitions of 1944-47

Concentration of oxide manganese ores from the vicinity of Death Valley National Monument, California

Formation sampling with large-diameter drill holes at Fort Randall Dam site, South Dakota

Quarrying methods and practices, U.S. Lime Products Corp., Clark County, Nev.

Questions and answers on propane and butane fuels

Mining methods and costs at the Atlas no. 2 Zinc-Lead Mine, West Pinos Altos mining district, Grant County, N. Mex.

Publications of the Bureau of Mines on coal washing

Revised bibliography of Bureau of Mines investigations on the production of liquid fuels from oil shale, coal, lignite, and natural gas (to 1949)

Safety in the mining industry

Mining methods and costs at the Atwood Copper Mine, Lordsburg Mining district, Hidalgo County, N. Mex.

Supplemental list of respiratory protective devices approved by the Bureau of Mines :additions to list published in Information Circular 7444

Bibliography of investment and operating costs for chemical and petroleum plants

Review of literature on conditioning air for advancement of health and safety in mines.

Petroleum refineries, including cracking plants, in the United States, January 1, 1949

Average heating values of American coals :by rank and by states

Observations of safety practices and conditions in Japanese coal mines

Shaft-sinking methods and costs and cost of plant and equipment at the Fad shaft, Eureka Corp., Ltd., Eureka, Nev.

Report of Petroleum and Natural-gas Division :fiscal year 1945

Mining methods and practices at International Minerals & Chemical Corp. Potash Mine, Eddy County, N. Mex.

Operations and safety at the Retsof Rock Salt Mine

Conveyor systems in underground iron-ore mines, Lake Superior district

Suspension roof support.

Fire fighting facilities at four Pennsylvania bituminous-coal mines

Reopening and developing a small red-iron-ore mine, Gadsden, Ala.

Mining methods and costs at the Kearney Zinc-Lead Mine, Central Mining District Grant County, N. Mex.

Method and cost of driving the Rock Creek Tunnel, Hecla Mining Co., Shoshone County, Idaho

Phosphate rock mining in southeastern Idaho

Report of Petroleum and Natural-gas Branch :fiscal year 1948

Mining methods at the brucite deposit, Basic Refractores, Inc., Gabbs, Nye County, Nev.

Change houses in the Lake Superior district

Methods and costs of mining fluorspar from a flat-bedded deposit at Cave-In-Rock, Ill.

Two devices to prevent electric arcs with airdox operations in coal mines

Selected list of references on minerals and related subjects

Mechanical mining in some bituminous-coal mines.

Investigation of limestone deposits near Arlington, Snohomish County, Wash.

Investigation of Whitehorse limestone deposits, Snohomish County, Wash.

Missouri Valley Manganese Deposits, South Dakota.

Investigation of Ely mine copper deposit Orange County, Vt.

Sampling of Helen Beryl pegmatite Custer County, S. Dak.

Investigation of Chestatee copper and pyrite deposit Lumpkin County, Ga.

Studies of the kinetics of coal hydrogenation

Concentration of oxide manganese ores from the Tintic district, Eureka, Juab County, Utah

Diamond drilling at the Rambler copper mine, Albany County, Wyo.

Investigation of the Strawberry tungsten deposit, Madera County, Calif.

Investigation of Oat Hill mercury mine Napa County, Calif.

Investigation of Comet Coalition lead-zinc deposit, Lincoln County, Nev.

Investigation of Snowball fluorite deposit, Maricopa County, Ariz.

Investigation of the Cartersville manganese district, Bartow County, Ga.

A study of stray electric currents in airdox systems in coal mines

Investigation of the Dayton iron deposit, Lyon and Storey counties, Nev.

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