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Utgitt
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Omfang
| VIII, 118 s., 10 fold. pl. : ill.
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Opplysninger
| Quaternary geology of the Nenana River Valley and adjace- nt parts of the Alaska Range/ by C. Wahrhaftig. Engineering geology a- long part of the Alaska Railroad / by C. Wahrhaftig and R. F. Black.
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Emner
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