swanson lake - map search
Topographic map 072233 of scale 1:250 000
English - US Geological Survey - 1958 - 9Mb -
Topographic map 072233 of scale 1:250 000
English - US Geological Survey - 1944 - 6Mb -
Topographic map k14 of scale 1:1 000 000
Russian - Soviet military - 3Mb -