• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wind Cave Room - Crocodile Walk

Stan Allison examines mud cracks in the Crocodile Walk
Stan Allison examines mud cracks in the Crocodile Walk
NPS Photo
 

On September 28, 1991, Jim Nepstad, Stan Allison, Paul Burger, and Mike Wiles found this passage of calcified mud cracks that resemble the skin of a crocodile.

Did You Know?

fire on the prairie

Fire is an important factor in protecting the prairie. Historically, fires burned across the prairie every 4 to 7 years. Fires burn the small trees that would otherwise march across the prairie and turn the grasslands to forest.