philadelphia - map search
Topographic map 068700 of scale 1:250 000
English - US Geological Survey - 1962 - 17Mb -
Topographic map f19-a of scale 1:500 000
English - US military - 1990 - 13Mb -
Topographic map 320813 of scale 1:63 000
English - US Geological Survey - 1896 - 7Mb -
Topographic map 068815 of scale 1:250 000
English - US Geological Survey - 1961 - 17Mb -
Topographic map f19-d of scale 1:500 000
English - US military - 1993 - 12Mb -
Topographic map 034950 of scale 1:24 000
English - US Geological Survey - 1949 - 5Mb -