Spickert Knob Formation
The Spickert Knob Formation is a geologic formation in Indiana.
| Spickert Knob Formation | |
|---|---|
| Stratigraphic range: Mississippian | |
| Type | Formation | 
| Unit of | Borden Group | 
| Underlies | Edwardsville Formation | 
| Overlies | New Providence Shale | 
| Location | |
| Region | Indiana | 
| Country | United States | 
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