Beartooth National Forest
Beartooth National Forest was established in Montana on July 1, 1908 by the U.S. Forest Service with 685,293 acres (2,773.28 km2) from part of Yellowstone National Forest and all of Pryor Mountains National Forest. On February 17, 1932 the forest was divided between Absaroka National Forest and Custer National Forest and the name preserved as the Beartooth Ranger District of Custer National Forest.
- 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.