San Gabriel National Forest
San Gabriel National Forest was established as the San Gabriel Forest Reserve by the General Land Office in California on December 20, 1892 with 555,520 acres (2,248.1 km2). After the transfer of federal forests to the U.S. Forest Service in 1905, it became a National Forest on March 4, 1907.
- Davis, Richard C. (September 29, 2005), National Forests of the United States (PDF), The Forest History Society
- 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.