portola - map search

Topographic map j10-2 of scale 1:500 000

Russian - Soviet military - 15Mb -

Topographic map 060730 of scale 1:63 000

English - US Geological Survey - 1897 - 5Mb -

Topographic map 062145 of scale 1:63 000

English - US Geological Survey - 1942 - 9Mb -

Topographic map 029484 of scale 1:24 000

English - US Geological Survey - 1961 - 9Mb -