Boone-Cannonball System Cannonball Entrance
(Owen County - US)
39.215620,-86.743610
39.215620,-86.743610
Profondeur 9m
Cavités proche
| Distance (km) | Nom | Longueur (m) | Profondeur (m) |
|---|---|---|---|
| 16.3 | Stoney Springs Cave | 0 | |
| 19.5 | Matlock Cave (correct location) | 0 | 0 |
| 22.7 | Matlock's Cave [wrong location, doublon mal localisé de #119250 à supprimer] | 0 | |
| 284.1 | Ohio Caverns | ||
| 397.1 | Seneca Caverns | ||
| 753.8 | Lincoln Caverns | ||
| 754.3 | Indian Caverns | ||
| 798.5 | Penn's Cave | ||
| 817.5 | Woodward Cave | ||
| 864.6 | Indian Echo Caverns |