Sevier National Forest was established as the Sevier Forest Reserve by the U.S. Forest Service in Utah on May 12, 1905 with 357,000 acres (1,440 km2). It became a National Forest on March 4, 1907. On July 1, 1922 the entire forest was divided between Dixie National Forest and Powell National Forest and the name was discontinued.
References
Sevier National Forest Wikipedia(Text) CC BY-SA