Santiam National Forest
The Santiam National Forest was established by the U.S. Forest Service in Oregon on July 1, 1911 with 710,170 acres (2,874.0 km2) from portions of Cascade National Forest and Oregon National Forest. On July 1, 1933 the entire forest was combined with Cascade to establish Willamette National Forest. 
- Davis, Richard C. (September 29, 2005), PDF (341 KB), The Forest History Society
- Forest History Society
- Listing of the National Forests of the United States and Their Dates (from 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.