St. Louis Formation | |
---|---|
Stratigraphic range: Carboniferous | |
Type | Formation |
Location | |
Region | Iowa |
Country | United States |
The St. Louis Formation is a geologic formation in Iowa. It preserves fossils dating back to the Carboniferous period.
St. Louis Formation | |
---|---|
Stratigraphic range: Carboniferous | |
Type | Formation |
Location | |
Region | Iowa |
Country | United States |
The St. Louis Formation is a geologic formation in Iowa. It preserves fossils dating back to the Carboniferous period.