somis - map search
Topographic map 030144 of scale 1:24 000
English - US Geological Survey - 1951 - 10Mb -
Topographic map 061030 of scale 1:63 000
English - US Geological Survey - 1921 - 5Mb -
Topographic map 061030 of scale 1:63 000
English - US Geological Survey - 1941 - 6Mb -