| McLeansboro Group | |
|---|---|
| Stratigraphic range: Carboniferous | |
| Type | Group |
| Sub-units | Shelburn Formation, Patoka Formation, Bond Formation, Mattoon Formation |
| Location | |
| Region | Indiana, Illinois, Kentucky |
| Country | United States |
The McLeansboro Group is a geologic group in Indiana, Illinois and Kentucky. It preserves fossils dating back to the Carboniferous period.