Wind Cave Room - Half-Mile Hall
First entered on August 1, 1971 by Andy Flurkey, Chris Hill, and Bob Reinstatler. Originally known as "Half-Mile Haul", this 2800 foot long passage's name was changed because the project director didn't feel that "Haul" was appropriate.
Other pictures in this area:
Did You Know?
The American bison is the largest terrestrial mammal in North America. Male bison can weigh a ton and can run 35 miles per hour. Do not approach bison. They weigh more and can outrun you. More...