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Preliminary geologic map of the Eagle quadrangle, Alaska

No abstract available.

Preliminary geologic map of the northeastern part of the Tanana quadrangle, Alaska

Mapping is based on both ground observations and aerial observations from a helicopter, August 11-19 and September 1-5, 1970, and supplemented by interpretation from aerial photographs. Bedrock geology chiefly by R.M. Chapman, and surficial geology chiefly by W.E. Yeend.