National Geologic Map Database
General Information
- Title: Silurian rocks of Illinois
- Author(s): Savage, T.E.
- Publishing Organization: Geological Society of America
- Series and Number: Bulletin v. 37 no. 4 [p. 513-533]
- Publication Date: 1926
- Cross Section: Yes
- North Latitude: 41° 35' 0" N (41.5833)
- South Latitude: 41° 29' 42" N (41.4950)
- East Longitude: 87° 36' 49" W (-87.6135)
- West Longitude: 88° 5' 17" W (-88.0881)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.