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

Published Year

• 1950-1959 (1)

Subject

• Manganese ores--Maine--Aroostook County (1) *
• Ore-dressing--Maine--Aroostook County (1)

Author

• Lamb, F. D. (1)
• Warnke, W. E. (1)
• Woodard, D. A. (1)

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