Ковалевка - map search
Topographic map n37 of scale 1:1 000 000
Russian - Soviet military - 1935 - 5Mb -
Topographic map nl37-02 of scale 1:250 000
English - US Joint operational - 1978 - 9Mb -
Topographic map d03 of scale 1:1 000 000
English - US military - 1973 - 16Mb -
Topographic map n36-1 of scale 1:500 000
Russian - Soviet military - 1980 - 4Mb -