Duncan - map search
Topographic map 052641 of scale 1:63 000
English - US Geological Survey - 1968 - 6Mb -
Topographic map 052641 of scale 1:63 000
English - US Geological Survey - 1935 - 7Mb -
Topographic map m11 of scale 1:1 000 000
Russian - Soviet military - 4Mb -
Topographic map 069031 of scale 1:250 000
English - US Geological Survey - 1962 - 9Mb -
Topographic map 068791 of scale 1:250 000
English - US Geological Survey - 1955 - 9Mb -
Topographic map 068808 of scale 1:250 000
English - US Geological Survey - 1954 - 15Mb -
Topographic map 068649 of scale 1:250 000
English - US Geological Survey - 1963 - 15Mb -