# Karl Johan Pettersen

> Norwegian geologist (1826–1890)

**Wikidata**: [Q6046458](https://www.wikidata.org/wiki/Q6046458)  
**Source**: https://4ort.xyz/entity/karl-johan-pettersen


## References

1. [Source](https://nbl.snl.no/Karl_Pettersen)
2. BnF authorities
3. Catalog of the German National Library
4. general catalog of BnF
5. Virtual International Authority File
6. Norsk biografisk leksikon