Ковалево - map search
Topographic map n38-017 of scale 1:100 000
Russian - Soviet military - 5Mb -
Topographic map nn33 of scale 1:1 000 000
English - US military - 1957 - 4Mb -
Topographic map n36 of scale 1:1 000 000
Russian - Soviet military - 1939 - 5Mb -
Topographic map nm37-05 of scale 1:250 000
English - US Joint operational - 1975 - 5Mb -