National Geologic Map Database
General Information
- Title: Ash-flow stratigraphy and caldera structures in the San Juan volcanic field, southwestern Colorado
- Author(s): Steven, T.A., Lipman, P.W., and Olson, J.C.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Bulletin 1394-A [p. A75-A82]
- Larger Work: Cohee, G.V., and Wright, W.B., Changes in stratigraphic nomenclature by the U.S. Geological Survey, 1972
- Publication Date: 1974
- Cross Section: None
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