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Elk Mountain Campground Closed
The Elk Mountain Campground is closed and will remain closed through the summer of 2013 due to across the board budget cuts.
Speleothems - Gypsum Features
Gypsum Needles near the Muddle Room
NPS Photo by Larry Toole
Gypsum crystals are common in some of the dryer parts of the cave. Gypsum, a mineral containing both calcium and sulfur, sometimes takes the form of needle-like crystals that radiate from clusters on the floor of the cave; in other cases, gypsum resembles puffs of cotton, or forms clusters of curved or coiled crystals called gypsum flowers.
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Did You Know?
Lewis and Clark, while on their journey up the Missouri River in 1804, noted that this "wild dog of the prairie...appears here in infinite numbers." More...
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