# Prince George's County

> book by Maryland Geological Survey published in 1911

**Wikidata**: [Q51421922](https://www.wikidata.org/wiki/Q51421922)  
**Source**: https://4ort.xyz/entity/prince-george-s-county-q51421922


## References

1. WorldCat
2. Classify
3. Biodiversity Heritage Library
4. [Source](https://www.si.edu/object/siris_sil_87684)
5. [Source](https://opac.k10plus.de/DB=2.299/FAM?PPN=130767913)
6. Internet Archive
7. Library of Congress Online Catalog
8. Source