Citation

Douglas, E. M. (Edward Morehouse), 1855-1932. Sargent, R. H.. Bannon, T. N.. Geological Survey (U.S.). ([1906]). Arizona (Cochise County), Tombstone special map. [JPEG 2000]. U.S. Geological Survey. Retrieved from https://earthworks.stanford.edu/catalog/stanford-mf199gp0704