The Da Vinci Notebooks at sacred-texts.com
Bridge of Goertz-Wilbach (?).
246:580 : There is a slight sketch with this text, Leonardo seems to have intended to suggest, with a few pen-strokes, the course of the Isonzo and of the Wipbach in the vicinity of Gorizia (Goerz). He himself says in another place that he had been in Friuli (see No. 1077 1. 19).