# Serpent Mound

> prehistoric effigy mound in Ohio, United States

**Wikidata**: [Q968802](https://www.wikidata.org/wiki/Q968802)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Serpent_Mound)  
**Source**: https://4ort.xyz/entity/serpent-mound


## References

1. National Register of Historic Places
2. Virtual International Authority File
3. Freebase Data Dumps. 2013
4. National Archives Catalog
5. GeoNames