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DGGS IR 195-19

Summary report of mining investigations in the Ketchikan and Petersburg mining districts

Bibliographic Reference

Roehm, J.C., 1938, Summary report of mining investigations in the Ketchikan and Petersburg mining districts: Alaska Territorial Department of Mines Itinerary Report 195-19, 16 p. http://doi.org/10.14509/561

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Keywords

Aluminum; Chromium; Copper; Crystals; Cultural Resources; Gold; Iron; Lead; Lode; Manganese; Mining; Mining Methods; Molybdenum; Nickel; Production Data; Silver; Vein Deposit; Zinc

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