Beyond Mammoth Cave

Gripping first-person accounts of the discoveries and intrigues of the exploration and mapping of Kentucky's Mammoth Cave, including the connection to Roppel Cave that made the cave three times longer than any other in the world. Essential sequel to The Longest Cave.

James Borden and Roger Brucker
2000
ISBN 0-8093-2346-x
xix+353 pages, softbound