silver ridge - map search

Topographic map 045378 of scale 1:24 000

English - US Geological Survey - 1953 - 8Mb -

Topographic map 063620 of scale 1:63 000

English - US Geological Survey - 1948 - 4Mb -

Topographic map 063620 of scale 1:63 000

English - US Geological Survey - 1941 - 4Mb -