# Ralph L. Langenheim, Jr.

> American geologist

**Wikidata**: [Q92205727](https://www.wikidata.org/wiki/Q92205727)  
**Source**: https://4ort.xyz/entity/ralph-l-langenheim-jr-


## References

1. [Source](https://www.news-gazette.com/obituaries/ralph-l-langenheim-jr/article_6ef4a3b4-b80f-11e9-9faf-5cb9017bdf48.html)
2. CiNii Research