# St. Louis Limestone

> mississippian period geologic formation in the Midwest United States

**Wikidata**: [Q2933653](https://www.wikidata.org/wiki/Q2933653)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/St._Louis_Limestone)  
**Source**: https://4ort.xyz/entity/st-louis-limestone


## References

1. Freebase Data Dumps. 2013