8 miles added to Mammoth Cave

[alanw]

https://www.doi.gov/blog/mammoth-cave-explore-worlds-longest-cave

The Cave Research Foundation has surveyed another 8 miles of passageways, bringing the total length to 420 miles.

 

[lumenchild]

https://www.doi.gov/blog/mammoth-cave-explore-worlds-longest-cave

The Cave Research Foundation has surveyed another 8 miles of passageways, bringing the total length to 420 miles.

Thats Lit.  :tease: