Fort Mason-Camp Cooper Military Road. Route for U.S. 2nd Cavalry and supplies from San Antonio to Fort Mason (about 100 miles south of here) to Camp Cooper (about 65 miles north) in campaigns of 1851-1861 against Plains Indians. Great military men of American history traveled this road, including Robert E. Lee (later a commanding general, C.S.A.) and George T. Thomas, "Rock of Chickamauga." Callahan County Historical Survey Committee, 1967. #1995