# Austin Chalk

> stratigraphic unit in the southern United States

**Wikidata**: [Q4823017](https://www.wikidata.org/wiki/Q4823017)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Austin_Chalk)  
**Source**: https://4ort.xyz/entity/austin-chalk


## References

1. [Source](https://tin.er.usgs.gov/geology/state/sgmc-unit.php?unit=TXKau%3B0)
2. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
3. National Library of Israel Names and Subjects Authority File