trinity - map search
Topographic map 068793 of scale 1:250 000
English - US Geological Survey - 1963 - 13Mb -
Topographic map 075012 of scale 1:250 000
English - US Geological Survey - 1948 - 10Mb -
Topographic map 069068 of scale 1:250 000
English - US Geological Survey - 1951 - 5Mb -