• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wind Cave Room - Mammoths Backbone

Mammoths Backbone
Mammoths Backbone
NPS Photo by Jim Pisarowicz

Discovered by Jim Pisarowicz and Bob Kobza on October 22, 1986, this large trunk passage has a ridge of smooth redissolved breakdown down its center somewhat like a backbone.

Did You Know?

A picture of Alvin McDonald in his caving hat.

Alvin McDonald was the first systematic explorer of Wind Cave. He explored the cave from 1890 until his death in 1893. More...