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The Arapaho National Forest was established by Theodore Roosevelt on July 1, 1908. It was named after the Native American tribe that occupied the region for summer hunting.

The Roosevelt National Forest, originally part of the Medicine Bow Forest Reserve, was first named the Colorado National Forest in 1910 and was renamed by President Herbert Hoover to honor President Theodore Roosevelt in 1932.

The Pawnee National Grassland was transferred to the Forest Service from the Soil Conservation Service in 1954. The Soil Conservation Service acquired this prairie during the dust bowl days of the 1930s and was charged with its rehabilitation. It was designated a national grassland in 1960.

Before European/American settlement, this area was predominately Ute and Arapaho territory, but many other tribes frequented this area such as the: Cheyenne, Kiowa, Apache, Comanche, Pawnee, Lakota, and Shoshone.

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Learn more about the people, places and events that have helped shape our Forest:

Last updated May 5, 2025