These are a list of 3 mines in Onton.
| Name | Nearest Town | Type | More |
|---|---|---|---|
| Onton #1 | Madisonville Webster KY | Coal (Bituminous) | View Details > |
| Onton #9 | Onton/ Sebree Webster KY | Coal (Bituminous) | View Details > |
| Onton Dock Inc | Onton Webster KY | Coal (Bituminous) | View Details > |