# saltpetre works

> place of production of potassium nitrate or saltpetre from organic matter

**Wikidata**: [Q6666526](https://www.wikidata.org/wiki/Q6666526)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Saltpetre_works)  
**Source**: https://4ort.xyz/entity/saltpetre-works


## References

1. Freebase Data Dumps. 2013