independence corner - map search
Topographic map 019050 of scale 1:24 000
English - US Geological Survey - 1954 - 8Mb -
Topographic map 054363 of scale 1:63 000
English - US Geological Survey - 1897 - 8Mb -
Topographic map 054363 of scale 1:63 000
English - US Geological Survey - 1888 - 6Mb -