williamstown - map search
Topographic map g21-a of scale 1:500 000
English - US military - 1993 - 14Mb -
Topographic map r13-d of scale 1:500 000
English - US military - 1983 - 9Mb -
Topographic map g21-b of scale 1:500 000
English - US military - 1991 - 9Mb -
Topographic map 057150 of scale 1:63 000
English - US Geological Survey - 1927 - 13Mb -