Болотная - map search
Topographic map p55_56 of scale 1:1 000 000
Russian - Soviet military - 9Mb -
Topographic map d03-d of scale 1:500 000
English - US military - 2004 - 13Mb -
Topographic map m54-4 of scale 1:500 000
Russian - Soviet military - 4Mb -