undergroundearth:
Blue Spring Cave, Tennessee (Marion O. Smith)
undergroundearth:
Jason Hardy, Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee (Jaguar Tracks)
undergroundearth:
Blue Spring Cave, Tennessee (Jaguar Tracks)
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
DSCF9242
undergroundearth:
Preacher Dome, Blue Spring Cave, Tennessee
undergroundearth:
Preacher Dome, Blue Spring Cave, Tennessee
undergroundearth:
Preacher Dome, Blue Spring Cave, Tennessee
undergroundearth:
Preacher Dome, Blue Spring Cave, Tennessee (Marion O. Smith)
undergroundearth:
Surveying Preacher Dome in Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Blue Spring Cave, Tennessee
undergroundearth:
Surveying Preacher Dome in Blue Spring Cave, Tennessee (Jason Hardy & Marion O. Smith)
undergroundearth:
Surveying Preacher Dome in Blue Spring Cave, Tennessee (Jason Hardy & Marion O. Smith)
undergroundearth:
Surveying Preacher Dome in Blue Spring Cave, Tennessee (Marion O. Smith)
