Mary Helen (also known as Coalgood[3]) is an unincorporated community in Harlan County, Kentucky, United States.
This Harlan County, Kentucky state location article is a stub. You can help Wikipedia by expanding it.
| post code | city | state | latitude | longitude |
|---|---|---|---|---|
| 40818 | Coalgood | KY | 36.812866 | -83.2549 |