• 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?

Stemless Hymenoxys

The scientific name for the Stemless Hymenoxys is Hymemoxys acaulis. Acaulis means "stemless" and referes to the leafless stalks which bear the flower heads. More...