The Letterbox
| Area: | Dentdale |
|---|---|
| Grade: | 1 |
| NGR: | SD73848631 |
| Lat/long: | 54.2718, -2.40318 |
| Elevation: | 180m |
| Length: | Unknown |
| Depth: | 3m |
| Rock Type: | Great Scar Limestone |
Exploration
- Explored 1970 BSA
| Area: | Dentdale |
|---|---|
| Grade: | 1 |
| NGR: | SD73848631 |
| Lat/long: | 54.2718, -2.40318 |
| Elevation: | 180m |
| Length: | Unknown |
| Depth: | 3m |
| Rock Type: | Great Scar Limestone |
