National Geologic Map Database
General Information
- Title: Age of basement rocks of southwest Montana
- Author(s): James, H.L., and Hedge, C.E.
- Publishing Organization: Geological Society of America
- Series and Number: Bulletin v.91, n.1 [p. 11]
- Publication Date: 1980
- Map Scale: 1:789,000
- Cross Section: None
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