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Diamond drilling at Union copper mine Cabarrus and Rowan counties, N.C.

Published Year

• 1940-1949 (1)

Subject

• Copper mines and mining--North Carolina--Cabarrus County (1) *
• Copper mines and mining--North Carolina--Rowan County (1)

Author

• Ballard, T. J. (1) *
• Clayton, Austin B. (1)

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