[Topografska karta na Bŭlgarii︠a︡ na mi︠e︡rka 1:125 000].
Dŭrzhaven geografski institut (Bulgaria)
Sofii︠a︡ : Dŭrzhaven geografski institut,
[1939?-1941?]
Relief shown by contours and spot heights.
"Sŭstaven po ruskata topografska snimka ot 1877-79. g."
"Popŭlnen spored po-novi karti i danii i izdaden prez 1939. g."; some sheets have " ... prez 1940 g." or " ... prez 1941 g."
Common title devised by cataloger.
Unidentified grid.
Includes "Koordinatoukazatelʹ 1:125,000" scale diagram in lower margin.
Photographic copies (graphic index with maps)