Большое островное - map search
Topographic map e04-b of scale 1:500 000
English - US military - 1993 - 11Mb -
Topographic map n39-099-4 of scale 1:50 000
Russian - Soviet military - 1964 - 2Mb -
Topographic map n39-100 of scale 1:100 000
Russian - Soviet military - 3Mb -