vembanad lake - map search
Topographic map k08 of scale 1:1 000 000
English - US military - 1981 - 7Mb -
Topographic map nc43 of scale 1:1 000 000
English - US military - 1957 - 3Mb -
Topographic map k08-d of scale 1:500 000
English - US military - 1983 - 4Mb -