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Geology topics

Helen Laura Foster

Publications and source records attributed to Helen Laura Foster.

20 records · Page 2Linked to original sources

USGS1968

Reconnaissance geologic map of the Tanacross quadrangle, Alaska

No abstract available.

Alaska↗

USGS1967

Geology of the Mount Fairplay area, Alaska

Explore the source record for details and available documents.

Bulletin↗