martha lake - map search
Topographic map nj11 of scale 1:1 000 000
English - US military - 1957 - 4Mb -
Topographic map 068891 of scale 1:250 000
English - US Geological Survey - 1947 - 13Mb -
Topographic map 053993 of scale 1:63 000
English - US Geological Survey - 1944 - 8Mb -