Infromation from the GNIS database.
| Name | Triplet Tunnel |
| Rock Layer | Cowbell Member, Borden Formation: Siltstone | shale |
| Type of Tunnel | Railroad |
| Latitude | 38.254567 |
| Longitude | -83.313619 |
| Tunnel Owner | C&O |
| Name of Land | |
| County | Carter |
| Submitted by | GNIS |
Infromation from the GNIS database.
| Name | Triplet Tunnel |
| Rock Layer | Cowbell Member, Borden Formation: Siltstone | shale |
| Type of Tunnel | Railroad |
| Latitude | 38.254567 |
| Longitude | -83.313619 |
| Tunnel Owner | C&O |
| Name of Land | |
| County | Carter |
| Submitted by | GNIS |