ridge - map search
Topographic map 003540 of scale 1:24 000
English - US Geological Survey - 1941 - 9Mb -
Topographic map 068654 of scale 1:250 000
English - US Geological Survey - 1957 - 12Mb -
Topographic map 034231 of scale 1:24 000
English - US Geological Survey - 1955 - 8Mb -
Topographic map 061599 of scale 1:63 000
English - US Geological Survey - 1916 - 9Mb -
Topographic map 023417 of scale 1:24 000
English - US Geological Survey - 1957 - 6Mb -
Topographic map 069028 of scale 1:250 000
English - US Geological Survey - 1958 - 12Mb -
Topographic map 001593 of scale 1:24 000
English - US Geological Survey - 1957 - 7Mb -
Topographic map 064050 of scale 1:63 000
English - US Geological Survey - 1958 - 6Mb -
Topographic map 054860 of scale 1:63 000
English - US Geological Survey - 1891 - 8Mb -
Topographic map 068961 of scale 1:250 000
English - US Geological Survey - 1959 - 18Mb -