firth - map search
Topographic map d01-c of scale 1:500 000
English - US military - 1995 - 8Mb -
Topographic map nk14 of scale 1:1 000 000
English - US military - 1957 - 5Mb -
Topographic map 068834 of scale 1:250 000
English - US Geological Survey - 1958 - 8Mb -
Topographic map e15 of scale 1:1 000 000
English - US military - 1991 - 16Mb -