• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wildflowers - Western Blueflag

Western Blueflag, Rocky Mountain Iris - Iris missouriensis
Western Blueflag, Rocky Mountain Iris - Iris missouriensis
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NPS Photo by Jim Pisarowicz

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.