# Saltpeter works
**Wikidata**: [Q3446093](https://www.wikidata.org/wiki/Q3446093)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/List_of_saltpeter_works_in_Tarapacá_and_Antofagasta)  
**Source**: https://4ort.xyz/entity/saltpeter-works