four corners - map search

Topographic map 075020 of scale 1:250 000

English - US Geological Survey - 1954 - 13Mb -

Topographic map f17 of scale 1:1 000 000

English - US military - 1990 - 15Mb -

Topographic map l10 of scale 1:1 000 000

Russian - Soviet military - 4Mb -

Topographic map g19-a of scale 1:500 000

English - US military - 1987 - 13Mb -

Topographic map 075020 of scale 1:250 000

English - US Geological Survey - 1960 - 16Mb -

Topographic map nl13 of scale 1:1 000 000

English - US military - 1957 - 4Mb -

Topographic map l10-4 of scale 1:500 000

Russian - Soviet military - 15Mb -

Topographic map 074977 of scale 1:250 000

English - US Geological Survey - 1959 - 10Mb -

Topographic map 075020 of scale 1:250 000

English - US Geological Survey - 1953 - 16Mb -

Topographic map f17-d of scale 1:500 000

English - US military - 1990 - 11Mb -