port isabel - map search

Topographic map 036036 of scale 1:24 000

English - US Geological Survey - 1929 - 3Mb -

Topographic map 056916 of scale 1:63 000

English - US Geological Survey - 1956 - 5Mb -

Topographic map 036036 of scale 1:24 000

English - US Geological Survey - 1955 - 6Mb -

Topographic map 320752 of scale 1:250 000

English - US Geological Survey - 1956 - 4Mb -