# John B. Treadwell

> American civil engineer (1846–1931)

**Wikidata**: [Q134709369](https://www.wikidata.org/wiki/Q134709369)  
**Source**: https://4ort.xyz/entity/john-b-treadwell


## References

1. [Geographicus Rare Antique Maps biographical dictionary of cartographers](https://www.geographicus.com/P/RareMaps/treadwelljohn)
2. [Find a Grave](https://www.findagrave.com/memorial/226289776/john-bartlett-treadwell)