aurora state - map search
Topographic map 049739 of scale 1:24 000
English - US Geological Survey - 1956 - 5Mb -
Topographic map f16-a of scale 1:500 000
English - US military - 1993 - 16Mb -
Topographic map 057933 of scale 1:63 000
English - US Geological Survey - 1940 - 5Mb -