# mining of metal ores

> type of mining

**Wikidata**: [Q16638398](https://www.wikidata.org/wiki/Q16638398)  
**Source**: https://4ort.xyz/entity/mining-of-metal-ores


## References

1. Statistical Classification of Economic Activities in the European Community, Rev. 2 (2008)
2. International Standard Industrial Classification Rev. 4
3. Integrated Authority File
4. Nomenclature d'activités française, rév. 2