Kleiner Drusenturm in the Raetikon (Rhaetian Alps)

View of a rocky peak, sketched by pen in the style of cartographic rock drawing by E. Imhof. 1935.
As shown in: E. Imhof, Cartographic Relief Presentation. Berlin 1982, and in:
E. Imhof, Rätikon. o. O. 1936. = Clubführer durch die Bündner Alpen, Band 7. (Imhof, Eduard O 17)
{Kleiner Drusenturm}