# Willem-Sophia

> coal mine in Spekholzerheide, the Netherlands

**Wikidata**: [Q2365983](https://www.wikidata.org/wiki/Q2365983)  
**Source**: https://4ort.xyz/entity/willem-sophia


## References

1. [Tracé - Limburgs Samenlevingsarchief](https://proxy.archieven.nl/313/8B7E31DB8DBB43528FCD9A600D7DA4BB)