Cannabis Sativa

Shelburn Formation
Stratigraphic range: Pennsylvanian
TypeFormation
Unit ofMcLeansboro Group
UnderliesPatoka Formation
OverliesDugger Formation
Location
RegionIllinois and Indiana
CountryUnited States
Illinois Basin Pennsylvanian stratigraphy

The Shelburn Formation is a geologic formation in Indiana. It preserves fossils dating back to the Carboniferous period.

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