National Geologic Map Database
General Information
- Title: Aeromagnetic and tectonic analysis of the upper Mississippi Valley, zinc-lead district
- Author(s): Heyl, A.V., and King, E.R.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Bulletin 1242-A
- Larger Work: Contributions to economic geolgy, 1966
- Publication Date: 1966
- Map Scale: 1:62,500
- Cross Section: None
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Additional Resources
- Links and Downloads:
- View the publication from the USGS Publications Warehouse
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.