caldera - map search

Topographic map 069075 of scale 1:250 000

English - US Geological Survey - 1958 - 8Mb -

Topographic map c16-4 of scale 1:500 000

Russian - Soviet military - 3Mb -

Topographic map k25 of scale 1:1 000 000

English - US military - 1989 - 9Mb -