Ковалево - map search
Topographic map o36-3 of scale 1:500 000
Russian - Soviet military - 4Mb -
Topographic map nn36-03 of scale 1:250 000
English - US military - 1956 - 6Mb -
Topographic map nn34-05 of scale 1:250 000
English - US military - 1956 - 5Mb -
Topographic map 07-28 of scale 1:84 000
Russian - Russian military - 1931 - 9Mb -