porterville mun - map search
Topographic map 036105 of scale 1:24 000
English - US Geological Survey - 1951 - 5Mb -
Topographic map g18-a of scale 1:500 000
English - US military - 1989 - 13Mb -
Topographic map g18-d of scale 1:500 000
English - US military - 1993 - 12Mb -