Большое островное - map search
Topographic map nn39-07 of scale 1:250 000
English - US military - 1956 - 5Mb -
Topographic map n39-26 of scale 1:200 000
Russian - Soviet military - 2Mb -
Topographic map e04 of scale 1:1 000 000
English - US military - 1973 - 13Mb -