potrero de abril - map search
Topographic map xe21-3 of scale 1:500 000
Russian - Soviet military - 3Mb -
Topographic map p27 of scale 1:1 000 000
English - US military - 1989 - 6Mb -
Topographic map p27-a of scale 1:500 000
English - US military - 1990 - 8Mb -
Topographic map se21-10 of scale 1:250 000
English - US Joint operational - 1994 - 7Mb -