National Geologic Map Database
General Information
- Title: Upper Silurian and Lower Devonian stratigraphy of the central Illinois Basin
- Author(s): Droste, J.B., and Shaver, R.H.
- Publishing Organization: Indiana Geological Survey
- Series and Number: Special Report 39
- Publication Date: 1987
- Map Scale: 1:2,262,857
- Cross Section: Yes
- North Latitude: 39° 52' 7" N (39.8686)
- South Latitude: 36° 59' 49" N (36.9969)
- East Longitude: 86° 14' 44" W (-86.2456)
- West Longitude: 90° 2' 39" W (-90.0442)
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- Publication Order Number: SR39
- This product is available, please note the publication series and number, and then contact:
- Indiana Geological and Water Survey Bookstore
- 1001 E. 10th St.
- Bloomington, IN 47405-2208
- Phone: (812) 855-7636
- Email: igsinfo@indiana.edu
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.