Lac de Montsalvens (reservoir) near Broc. Bird's-eye view

Pen-and-ink drawing, black ink. Original 1932 for an illustration in the
Schweizerischer Sekundarschulatlas, editions 1934-1961. 14 x 17 cm. (Imhof, Eduard F 7.1)
{Lac de Montsalvens}