perch lake - map search
Topographic map nl15 of scale 1:1 000 000
English - US military - 1957 - 5Mb -
Topographic map 063512 of scale 1:63 000
English - US Geological Survey - 1903 - 3Mb -
Topographic map f18-a of scale 1:500 000
English - US military - 1993 - 10Mb -
Topographic map 063512 of scale 1:63 000
English - US Geological Survey - 1948 - 5Mb -
Topographic map 050956 of scale 1:63 000
English - US Geological Survey - 1956 - 8Mb -
Topographic map 068945 of scale 1:250 000
English - US Geological Survey - 1951 - 13Mb -
Topographic map 068758 of scale 1:250 000
English - US Geological Survey - 1958 - 14Mb -
Topographic map 068945 of scale 1:250 000
English - US Geological Survey - 1961 - 12Mb -