gravois mills - map search

Topographic map 018224 of scale 1:24 000

English - US Geological Survey - 1935 - 9Mb -

Topographic map 054800 of scale 1:63 000

English - US Geological Survey - 1949 - 8Mb -

Topographic map 054800 of scale 1:63 000

English - US Geological Survey - 1961 - 9Mb -