Cartography and urban planning: the city plan of Barcelona by Miquel Garriga i Roca (1856-1862)

Due to the passing of Spanish laws that promoted the creation of urban cartography and the need to redevelop an overcrowded city, the Barcelona City Council commissioned the architect Miquel Garriga i Roca in 1856 to create a municipal plan. During the following six years he compiled what is known as the Plan of Barcelona, a collection of cartographical documents that depicts with unprecedented levels of detail how Barcelona appeared right after the demolition of the city walls. This paper explains how and why the maps were commissioned, how they were made, and the resultant cartographical output