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Concentration of oxide manganese ores from the vicinity of Long Valley, Coconino County, Ariz.

Published Year

• 1940-1949 (1)

Subject

• Manganese ores--Arizona--Coconino County--Metallurgy (1) *
• Ore-dressing (1) *

Author

• Ipsen, A. O. (1) *
• Poole, H. G. (1)
• Schack, C. H. (1)

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