El Callao - map search
Topographic map b20-2 of scale 1:500 000
Russian - Soviet military - 3Mb -
Topographic map l27 of scale 1:1 000 000
English - US military - 1982 - 6Mb -
Topographic map l27-b of scale 1:500 000
English - US military - 1990 - 7Mb -
Topographic map nb20-03 of scale 1:250 000
English - US Joint operational - 1992 - 5Mb -