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Tri-state zinc-lead ore reserves

Published Year

• 1940-1949 (1) *

Subject

• Lead ores--Kansas (1)
• Lead ores--Missouri (1)
• Lead ores--Oklahoma (1)
• Zinc ores--Kansas (1)
• Zinc ores--Missouri (1) *
• Zinc ores--Oklahoma (1)

Author

• Rühl, Otto. (1)

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