quivero - map search
Topographic map 074971 of scale 1:250 000
English - US Geological Survey - 1961 - 11Mb -
Topographic map 064014 of scale 1:63 000
English - US Geological Survey - 1962 - 5Mb -
Topographic map 322216 of scale 1:250 000
English - US Geological Survey - 1891 - 1Mb -