National Geologic Map Database
General Information
- Title: Digital bedrock geologic map of the Ashland and northern part of the Ironwood 30' X 60' quadrangles, Wisconsin, and Michigan
- Author(s): Cannon, W.F., Woodruff, L.G., Nicholson, S.W., Hedgman, C.A., and Barber-Delach, R.D.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Open-File Report OF-99-546
- Publication Date: 1999
- Map Scale: 1:100,000
- Cross Section: Yes
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* See base map disclaimer below
Additional Resources
- Links and Downloads:
- Publication (includes GIS data)
- For more information, please contact:
- U.S. Geological Survey
- USGS Information Services
- Box 25286
- Denver, CO 80225
- Phone: (303) 202-4700 or 1-888-ASK-USGS
- Fax: (303) 202-4710
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.