Ершово - map search
Topographic map n36 of scale 1:1 000 000
Russian - Soviet military - 1988 - 4Mb -
Topographic map n37-2 of scale 1:500 000
Russian - Soviet military - 4Mb -
Topographic map 015 of scale 1:100 000
German - German military - 1944 - 25Mb -