James Beauchamp “Champ” Clark was the namesake of Clark National Forest in Missouri. A portion of this National Forest was located within the boundaries of Pulaski County, Missouri. In 1973 CNF was “administratively combined” with Mark Twain National Forest. In 1976 Clark National Forest was absorbed by Mark Twain National Forest. 39,177 acres of MTNF are located inside Pulaski County.