# Calumet and Hecla Mining Company

> Michigan, USA

**Wikidata**: [Q5024102](https://www.wikidata.org/wiki/Q5024102)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Calumet_and_Hecla_Mining_Company)  
**Source**: https://4ort.xyz/entity/calumet-and-hecla-mining-company