Note XI-49 — Chapter XI · ANTIQUITIES OF ARIZONA AND NEW MEXICO.
Reading edition
Simpson's Jour. Mil. Recon., pp. 74-5, pl. 53-4. Other slight accounts made up from Simpson: Domenech's Deserts, vol. i., p. 201; Annual Scien. Discov., 1850, p. 362; Barber and Howe's Western States, pp. 559-60, with cut.