From the Terra di Lavoro Intendancy fonds (Intendenza di Terra di Lavoro) - 1853
The map depicts a stretch of the Volturno River near Caiazzo, where there was a river port that allowed crossing from one bank to the other using a "scafone" and a "small scafa" guided by a system of ropes and winches. In the detail, the elevation of the tower located on the bank towards Caiazzo.