# John Douglas Nelson

> American geotechnical engineer

**Wikidata**: [Q18123029](https://www.wikidata.org/wiki/Q18123029)  
**Source**: https://4ort.xyz/entity/john-douglas-nelson


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. NUKAT
4. MAK
5. National Library of Israel Names and Subjects Authority File