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Investigation of Simon & Coles manganese deposit Bedford county, Pa.

Investigation of the Critchfield manganese deposit, Huntingdon county, Pa.

Investigation of Taylor Creek lead-zinc deposit, Kupreanof Island, Petersburg, Alaska

Preliminary report :nonmetallic deposits accessible to the Alaska Railroad as possible sources of raw materials for the construction industry

Published Year

• 1940-1949 (2)
• 1950-1959 (2)

Subject

• Manganese--Pennsylvania--Bedford County (2)
• Building materials (1)
• Lead ores--Alaska--Kupreanof Island (1)
• Mines and mineral resources--Alaska (1)
• Zinc ores--Alaska--Kupreanof Island (1)

Author

• Kerns, W. H. (4) *
• Sanford, Robert S. (2) *
• Mulligan, J. J. (1)
• Rutledge, Franklin A. (1)
• Thorne, R. L. (1)

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