philipsburg - map search
Topographic map 034961 of scale 1:24 000
English - US Geological Survey - 1959 - 7Mb -
Topographic map nl12 of scale 1:1 000 000
English - US military - 1957 - 5Mb -
Topographic map 060950 of scale 1:63 000
English - US Geological Survey - 1922 - 9Mb -