National Geologic Map Database
General Information
- Title: Graptolites discovered in the Woodchopper Volcanics
- Author(s): Churkin, Michael, Trexler, J.H., and Carter, Claire
- Publishing Organization: U.S. Geological Survey
- Series and Number: Circular 844
- Larger Work: The United States Geological Survey in Alaska: accomplishments during 1980
- Publication Date: 1982
- Map Scale: 1:556,000
- Cross Section: None
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Geologic units referred to in Geolex
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