• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wind Cave Room - Selenite Avenue

Paleofill in Selenite Avenue
Paleofill in Selenite Avenue
NPS Photo by Dave Eddy
 
Discovered by John Scheltens and Mike Francik in 1972 and named for the large number of gypsum needles (selenite) in this area.

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.