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Investigation of mica deposits at the Victory, Jack Rabbit, Rainbow, and Midas mines, Custer County, S. Dak.

Published Year

• 1940-1949 (1)

Subject

• Mica mines and mining--South Dakota--Custer County (1) *
• Mica--South Dakota--Custer County (1)

Author

• Needham, A. B. (1) *

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