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Manganese investigations :metallurgical division.

A vibrating screen surface for the removal of flat and elongated pieces from crushed stone

Pilot-plant production of high-grade magnetite concentrates, Cranberry, N.C.

Beneficiation of New England beryllium ores

Investigation of the Benjamin Franklin graphite mine (government owned) and the Just graphite mine, Chester County, Pa.

Flotation of a North Carolina pyrophyllite ore

Ore-dressing tests of Aroostook County, Maine, manganese ores

A comprehensive report of exploration by the Bureau of Mines for thorium and radioactive black mineral deposits

Published Year

• 1940-1949 (5)
• 1950-1959 (3)

Subject

• Ore-dressing (4)
• Beryllium ores (1)
• Flotation (1)
• Graphite industry--Pennsylvania--Chester County (1)
• Graphite--Pennsylvania--Chester County (1)
• Magnetite--North Carolina--Metallurgy (1)
• Manganese ores--Maine--Aroostook County (1)
• Manganese ores--South Dakota--Chamberlain (1)
• Metallurgical plants--Pilot plants--North Carolina (1)
• Ore-dressing--Maine--Aroostook County (1)
• Pyrophyllite--North Carolina--Testing (1)
• Radioactive substances--United States (1)
• Screens (Mining) (1)
• Thorium ores--United States (1)

Author

• Lamb, F. D. (8) *
• Banning, Lloyd H. (1)
• De Vaney, Fred Daniel. (1)
• Eilertsen, D. E. (1)
• Ruppert, J. A. (1)
• Sanford, Robert S. (1) *
• Shelton, S. M. (1)
• Warnke, W. E. (1)
• Woodard, D. A. (1)
• Woodward, D. A. (1)

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