National Geologic Map Database
Product Description Page
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Title: The Devonian formations of Illinois
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Author(s): Savage, T.E.
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Publishing Organization: American Journal of Science
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Series and Number: American Journal of Science, 4th Series v. 49, no. 291 [p. 169-182]
- Publication Date: 1920
- Cross Section: None
- North Latitude: 41° 31' 9" N (41.5192)
- South Latitude: 37° 15' 0" N (37.2500)
- East Longitude: 89° 15' 0" W (-89.2500)
- West Longitude: 90° 34' 45" W (-90.5793)
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* See base map disclaimer below.
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.