four corners - map search

Topographic map f16-a of scale 1:500 000

English - US military - 1993 - 16Mb -

Topographic map 074977 of scale 1:250 000

English - US Geological Survey - 1958 - 9Mb -

Topographic map 068795 of scale 1:250 000

English - US Geological Survey - 1958 - 8Mb -

Topographic map j12 of scale 1:1 000 000

Russian - Soviet military - 5Mb -

Topographic map 062941 of scale 1:63 000

English - US Geological Survey - 1925 - 4Mb -

Topographic map 322228 of scale 1:250 000

English - US Geological Survey - 1892 - 2Mb -

Topographic map 068795 of scale 1:250 000

English - US Geological Survey - 1962 - 9Mb -

Topographic map 068795 of scale 1:250 000

English - US Geological Survey - 1954 - 8Mb -

Topographic map j12-4 of scale 1:500 000

Russian - Soviet military - 10Mb -

Topographic map 062941 of scale 1:63 000

English - US Geological Survey - 1941 - 6Mb -