Сэрмаш - map search
Topographic map l35-037 of scale 1:100 000
Russian - Soviet military - 1971 - 8Mb -
Topographic map l35 of scale 1:1 000 000
Russian - Soviet military - 1934 - 7Mb -
Topographic map l35-039-2 of scale 1:50 000
Russian - Soviet military - 10Mb -