National Geologic Map Database
General Information
- Title: Map showing mineral deposits of the midcontinent rift, Lake Superior region, United States and Canada
- Author(s): Cannon, W.F., and McGervey, T.A.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Field Studies Map MF-2153
- Publication Date: 1991
- Map Scale: 1:500,000
- Cross Section: None
- North Latitude: 49° 15' 0" N (49.2500)
- South Latitude: 46° 0' 0" N (46.0000)
- East Longitude: 84° 0' 0" W (-84.0000)
- West Longitude: 92° 0' 0" W (-92.0000)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.