Cavités
US - Dubuque County
| Nom | Longueur | Profondeur |
|---|---|---|
| Bixby Cave | 0 m | |
| Boulder Cave | 0 m | |
| Bee Cave | 0 m | |
| Black Crevice Cave | 0 m | |
| Crystal Lake Cave Entrance | 0 m | |
| Crystal Lake Cave Exit | 0 m | |
| El Dorado Cave | 0 m | |
| Kemling Cave | 0 m | |
| Knockel Cave | 0 m | |
| Lockey Drybone Mine East | 0 m | |
| Lockey Drybone Mine West | 0 m | |
| Muenster Cave | 0 m | |
| Root Cellar Cave | 0 m | |
| Webber Cave | 0 m | |
| Whipksey Shaft Cave | 0 m |