chicago heights - map search
Topographic map 043071 of scale 1:24 000
English - US Geological Survey - 1930 - 2Mb -
Topographic map 052035 of scale 1:63 000
English - US Geological Survey - 1892 - 4Mb -
Topographic map 043071 of scale 1:24 000
English - US Geological Survey - 1953 - 5Mb -
Topographic map 052035 of scale 1:63 000
English - US Geological Survey - 1901 - 5Mb -