National Geologic Map Database
General Information
- Title: Geologic map of Precambrian rocks, southern Lake Superior region, Wisconsin and northern Michigan
- Author(s): Sims, P.K.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Investigations Series Map I-2185
- Publication Date: 1992
- Map Scale: 1:500,000
- Cross Section: Yes
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.