National Geologic Map Database
General Information
- Title: Stratigraphic nomenclature of the Thirtynine Mile volcanic field, central Colorado
- Author(s): Epis, R.C., and Chapin, C.E.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Bulletin 1395-C
- Larger Work: Contributions to stratigraphy
- Publication Date: 1974
- Map Scale: 1:1,150,000
- Cross Section: None
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