Arizona (Cochise County), Tombstone mining map /
Geological Survey (U.S.)
Douglas, E. M.(Edward Morehouse),1855-1932.
Bartlett, E. R.
Bannon, T. M.
[Washington, D.C.] : The Survey,
1908.
Relief shown by contours, hachures, and spot heights.
Contour interval 10 feet. Datum is mean sea level.
"Surveyed in 1907."
"Engraved Nov. 1907 by U.S.G.S."
Mining activities shown.
Mines and mineral resources