# sub-bituminous coal

> lower grade of coal that contains 35–45% carbon

**Wikidata**: [Q790674](https://www.wikidata.org/wiki/Q790674)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sub-bituminous_coal)  
**Source**: https://4ort.xyz/entity/sub-bituminous-coal


## References

1. Freebase Data Dumps. 2013