joseph20059:
Big Bone C. 2-18-2007 002
joseph20059:
Big Bone C. 2-18-2007 005
joseph20059:
Big Bone C. 2-18-2007 010
joseph20059:
Big Bone Cave 2-18-2007 020
joseph20059:
Big Bone C. 2-18-2007 014
joseph20059:
Big Bone C. 2-18-2007 016
joseph20059:
Big Bone Cave Gate Project 5-14-2010 024
joseph20059:
the lure of the underground
joseph20059:
stages of development
joseph20059:
Big Bone Cave Gate Project 5-14-2010 019
joseph20059:
Big Bone Cave Gate Project 5-14-2010 012
joseph20059:
Big Bone Cave Gate Project 5-14-2010 006
joseph20059:
Unusual historic graffiti, Big Bone Cave
joseph20059:
Unusual historic graffiti, Big Bone Cave, Tennessee
joseph20059:
A saltpeter paddle, Big Bone Cave, Tennessee
joseph20059:
Historic ladder, Big Bone Cave, Tennessee
joseph20059:
Historic ladder, Big Bone Cave, Tennessee