GLO Map, 1921
Crook N.F., 1927
In sec. 36, T. 5 S., R. 19 E. P.O. and ranch. Cattle headquarters for Hon. Bert Dunlap for years. First called Dunlap. P.O. established under Aravaipa, April 18, 1892, because of another Dunlap post office. Neil P. McCullum P.M. See Aravaipa Apaches for origin of name; see also Fort Breckenridge. Aravaipa, decision, U. S. G. B.