A 1987 reprint of the 1976 classic, with two pages of updates
added as an afterword. This books tells the tale of the modern exploration of
Mammoth Cave, Kentucy, through the connection in 1972 that brought its length
to 144 miles, longest in the world. Includes an appendix on the earlier history
of caving in the area. One of the classics of American caving literature.
Roger Brucker and Richard Watson
second edition, 1987
xx+331 pages, softbound