Hunt Fork Shale of Endicott Group (AK*)
Late Devonian*
Exposures 25 mi east of Killik River, along Fire Creek, east-flowing tributary of Okokmilaga River, Lat. 68 deg. 18 min. N., Long. 153 deg. 20 min. W., central Brooks Range, AK (Chapman and others, 1964).
Alaska Northern region*
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Asterisk (*) indicates published by U.S. Geological Survey authors.
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