National Geologic Map Database
Product Description Page
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Title: Classification of the Pennsylvanian rocks of Illinois as of 1956
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Author(s): Wanless, H.R., and Siever, Raymond
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Publishing Organization: Illinois State Geological Survey
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Series and Number: Circular 217
- Publication Date: 1956
- Cross Section: Yes
- North Latitude: 41° 37' 53" N (41.6314)
- South Latitude: 37° 4' 2" N (37.0672)
- East Longitude: 87° 29' 47" W (-87.4964)
- West Longitude: 91° 30' 47" W (-91.5131)
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* See base map disclaimer below.
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Bankston Fork,
Battery Rock,
Browning,
Carlinville,
Colbert,
DeKoven,
Delwood,
Effingham,
Flat Creek,
Galum,
Gila,
Grindstaff,
Hall,
Hicks,
Jamestown,
LaSalle,
Pokeberry
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.