National Geologic Map Database
Product Description Page
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Title: Redefinition of Frontier Formation-Beaverhead Contact, Lima Peaks Area, Southwestern Montana and Southeastern Idaho
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Author(s): Dyman, T.S., Haley, J.C., and Perry, W.J., Jr.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Bulletin 1962-A
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Larger Work: Contributions to Late Cretaceous Stratigraphy and Paleontology, Western Montana
- Publication Date: 1991
- Map Scale: 1:286,000
- Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.