merkel - map search
Topographic map 068674 of scale 1:250 000
English - US Geological Survey - 1958 - 9Mb -
Topographic map 054465 of scale 1:63 000
English - US Geological Survey - 1917 - 9Mb -
Topographic map 068677 of scale 1:250 000
English - US Geological Survey - 1957 - 18Mb -