Белоградчик - map search
Topographic map nk34-35 of scale 1:1 000 000
English - US military - 1957 - 11Mb -
Topographic map k34-022-1 of scale 1:50 000
Russian - Soviet military - 4Mb -
Topographic map f03-d of scale 1:500 000
English - US military - 1973 - 14Mb -