Results for “United States. Bureau of Mines”

Recent Research by the Bureau of Mines on the Ignition of Firedamp by Explosives

United States. Bureau of Mines.

1939

Bureau of Mines Coal-Fired Gas Turbine Research Project- Redesign and Assembly of Turbine

United States. Bureau of Mines.

1962

Petroleum and Oil-Shale Research of the Bureau of Mines, Fiscal Years 1967-68

United States. Bureau of Mines.

1970

Use of Bureau of Mines Turbomill to Produce High-Purity Ultrafine Nonoxide Ceramic Powders

United States. Bureau of Mines.

1983

Methods and Costs of Stripping and Mining at the United Verde Open-Pit Mine, Jerome, Arizona

United States. Bureau of Mines.

1930

Mining Methods and Costs at the Piokee Mining Unit and the Piokee Experimental Mining Project, the Eagle-Pitcher co. (Tri-State Mines), Ottawa County, Okla

United States. Bureau of Mines.

1960

Vibrator-Type Multiple-Shot Blasting Unit

United States. Bureau of Mines.

1947

Methods and Costs of Mining at Hartley-Grantham Mine, Tri-State Zinc and Lead District

United States. Bureau of Mines.

1930

Cooperative Mining Series

United States. Bureau of Mines.

1919

Coal-mine accident-prevention course

United States. Bureau of Mines.

1945

Protection against mine gases

United States. Bureau of Mines.

1937

Metal-mine accident-prevention course ..

United States. Bureau of Mines.

1945

Blasting Stumps in Coal Mines

United States. Bureau of Mines.

1962

Diesel Mine Locomotives

United States. Bureau of Mines.

1936

Tulare County Tungsten Mines, Calif

United States. Bureau of Mines.

1956

Mining and Milling Tungsten Ores

United States. Bureau of Mines.

1935

Akoz Mine, Mariposa County, Calif

United States. Bureau of Mines.

1947

ECONOMICS OF STRIP COAL MINING

United States. Bureau of Mines.

Oxidation of Coal Mine Pyrites

United States. Bureau of Mines.

1963

Federal placer-mining laws and regulations

United States. Bureau of Mines.

1938