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.