# Geology, physical and historical

> Cincinnati [etc.]American Book Company[c1916]

**Wikidata**: [Q51483245](https://www.wikidata.org/wiki/Q51483245)  
**Source**: https://4ort.xyz/entity/geology-physical-and-historical


## References

1. Biodiversity Heritage Library
2. Internet Archive
3. Library of Congress Online Catalog
4. Source