Сысоево - map search
Topographic map n37-002-2 of scale 1:50 000
Russian - Soviet military - 2Mb -
Topographic map n41-1 of scale 1:500 000
Russian - Soviet military - 3Mb -
Topographic map o35-096-4 of scale 1:50 000
Russian - Soviet military - 1936 - 4Mb -