portland - map search

Topographic map 068798 of scale 1:250 000

English - US Geological Survey - 1956 - 5Mb -

Topographic map g14-2 of scale 1:500 000

Russian - Soviet military - 3Mb -

Topographic map 072304 of scale 1:24 000

English - US Geological Survey - 1961 - 7Mb -

Topographic map 055004 of scale 1:63 000

English - US Geological Survey - 1940 - 10Mb -