Бол.бургали - map search

Topographic map q55-35_36 of scale 1:200 000

Russian - Soviet military - 6Mb -

Topographic map nn52-05 of scale 1:250 000

English - US military - 1956 - 3Mb -

Topographic map q55-3_4 of scale 1:500 000

Russian - Soviet military - 7Mb -