otay - map search
Topographic map 331663 of scale 1:24 000
English - US Geological Survey - 1953 - 4Mb -
Topographic map ni11-11 of scale 1:250 000
English - US Joint operational - 1997 - 8Mb -
Topographic map 055848 of scale 1:63 000
English - US Geological Survey - 1955 - 8Mb -