Title: The longest cave
Description: "The dramatic story of several generations of cavers whose exciting and dangerous explorations in Kentucky's limestone labyrinths culminated in the big connection between the Flint Ridge Cave System and Mammoth Cave, forming the longest cave in the world"--Jacket subtitle.
Subjects: Mammoth Cave, Ky, Mammoth cave national park (ky.), Caving
Places: Mammoth Cave (Ky.), Ky Mammoth Cave