sofia - map search

Topographic map xi20-4 of scale 1:500 000

Russian - Soviet military - 2Mb -

Topographic map 068737 of scale 1:250 000

English - US Geological Survey - 1954 - 7Mb -

Topographic map k34-047-4 of scale 1:50 000

Russian - Soviet military - 3Mb -

Topographic map f02 of scale 1:1 000 000

English - US military - 1981 - 16Mb -