Blue River Group

Blue River Group Stratigraphic range: Carboniferous
Type	Group
Location
Region	Illinois
Country	United States

The Blue River Group is a geologic group in Illinois. It preserves fossils dating back to the Carboniferous period.

See also[]

• List of fossiliferous stratigraphic units in Illinois

References[]

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021. {{cite web}}: |author= has generic name (help)

This article about a specific stratigraphic formation in Illinois is a stub. You can help Wikipedia by .

• v
• t