Jackson Blue
Aliases: Jackson Blue Spring Cave System, Jackson Blue Springs
Survey reports
| Length | Max depth | Entrances | Source | Date |
|---|---|---|---|---|
| 15,436 m | 30.5 m | Unknown | Cave-Exploring World Long Caves Secondary source Provided by: Ben Martinez e-mail | 2018-04-01 |
| 3,218.7 m | 30.2 m | Unknown | Hidden Rivers of Florida: Jackson Blue Spring Cave System Secondary source Provided by: Hidden Rivers of Florida | Unknown |