# John Markle

> American coal operator

**Wikidata**: [Q113561380](https://www.wikidata.org/wiki/Q113561380)  
**Source**: https://4ort.xyz/entity/john-markle


## References

1. [The Cyclopaedia of American Biography. 1915](https://archive.org/details/cyclopdiaofameri0000unse_p1v8/page/n905/mode/2up)
2. [Find a Grave](https://www.findagrave.com/memorial/155667786/john-markle)
3. Union List of Artist Names. 2018
4. Prabook