porterville mun - map search
Topographic map 068792 of scale 1:250 000
English - US Geological Survey - 1955 - 10Mb -
Topographic map j11 of scale 1:1 000 000
Russian - Soviet military - 4Mb -
Topographic map 068792 of scale 1:250 000
English - US Geological Survey - 1948 - 12Mb -