snowmass - map search
Topographic map 068870 of scale 1:250 000
English - US Geological Survey - 1962 - 13Mb -
Topographic map 020396 of scale 1:24 000
English - US Geological Survey - 1960 - 8Mb -
Topographic map 068870 of scale 1:250 000
English - US Geological Survey - 1960 - 10Mb -