Site of Camp Cooper. Established by Major W. J. Hardee, 2nd U.S. Cavalry, on January 3, 1856 for the purpose of defending the frontier against Comanche Indians. Named in honor of Samuel Cooper, Adjutant General, U.S. Army. Home of General Robert E. Lee for nineteen months, 1856-1857. From this post the Cimarron Expedition set out, October 1, 1859. Abandoned February 21, 1861. #4741