In 1752 the Danish scholar, Niels Horrebow, published an important book and map about Iceland. His map, based on the previously unpublished Knoff survey, was a major departure from previous maps based on Bishop Gudbrandur Thorlaksson's map of more than 150 years earlier. Thus, it marked a turning point in the cartography of Iceland. This is an Italian version of this historic map. It shows many mountains, lakes, rivers, and towns, and divides the country into four regions. A decorative title cartouche depicts three figures fishing.