Missoula National Forest
Missoula National Forest was established as the Missoula Forest Reserve by the U.S. Forest Service in Montana on November 6, 1906 with 194,430 acres (786.8 km2). It became a National Forest on March 4, 1907. On July 1, 1908 Missoula received a portion of Hell Gate National Forest. On December 16, 1931 the entire forest was divided between Lolo National Forest and Deerlodge National Forest and the name was discontinued. 
- Forest History Society
- Listing of the National Forests of the United States and Their Dates (from the Forest History Society website) Text from Davis, Richard C., ed. Encyclopedia of American Forest and Conservation History. New York: Macmillan Publishing Company for the Forest History Society, 1983. Vol. II, pp. 743-788.