Zapadna Stara Planina, obzorna turisticheska karta /
KIPP po kartografii︠a︡ (Sofia, Bulgaria)
Bulgaria.Glavno upravlenie po geodezii︠a︡, kartografii︠a︡ i kadastŭr.
Sofii︠a︡ : KAB-Glavnoe upravlenie po geodezii︠a︡, kartografii︠a︡ i kadastŭr,
1978.
Relief shown by contours, shading, and spot heights.
Panel title.
Includes insets of Magura and Ledenika caves.
Text, col. ill., and BTS insigne on verso.