Sketch map of Los Ruinos, Arivaca Canon. Inscription on back of the map reads "Part of sketch map, "Los Ruinos, Arivaca Canon, 2 miles above Arivaca, Pima Co. Az. Surveyed by WJ McGee and Wm. Dinwiddie, Oct. 17, 1894. Minor landmarks, N.W. Benard's Ranch, and a windmill, are on orig. map on an adjacent section, not photographed."