East Troy - map search

Topographic map 062182 of scale 1:63 000

English - US Geological Survey - 1939 - 11Mb -

Topographic map nk16 of scale 1:1 000 000

English - US military - 1957 - 4Mb -

Topographic map 068990 of scale 1:250 000

English - US Geological Survey - 1963 - 11Mb -