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Concentration tests on the mangniferous iron ores of the Cuyuna district, Minnesota

Progress reports :metallurgical division.

Published Year

• 1930-1939 (2) *

Subject

• Flotation (2)
• Fluorspar--Illinois (1)
• Iron ores--Testing (1)
• Lead--Illinois (1)
• Zinc--Illinois (1)

Author

• Clemmer, J. B. (2) *
• DeVaney, F. D. (2)
• Duncan, W. E. (1)
• Guggenheim, M. (1)

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