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1
The Cosna-Nowitna Region, Alaska, by Henry M. Eakin. [U.S. Geological Survey Bulletin 667.]
Published 1918“…Serial set 7369…”
Online Access
Government Document Electronic eBook -
2
The Nelchina-Susitna region, Alaska, by Theodore Chapin. [U.S. Geological Survey Bulletin 668.]
Published 1918“…Serial set 7369…”
Online Access
Government Document Electronic eBook