# Gerard Hendrik Matthes

> American hydraulic engineer

**Wikidata**: [Q109604285](https://www.wikidata.org/wiki/Q109604285)  
**Source**: https://4ort.xyz/entity/gerard-hendrik-matthes


## References

1. [Source](https://snaccooperative.org/ark:/99166/w6d24g2f)
2. SNAC
3. Prabook