Areas where underground works were carried out with regard to old mines now disused and for which there are archived topographic plans of the works. The theme contains data such as the name of the concession to which it belongs, the municipality, the extracted material and some explanatory notes. The original theme was called zona_lavori.shp : has been divided into mines_historical.shp and mines_historical_points.shp for problems of graphic representation in cartography.
On the occasion of the June 2017 update, the names of the themes constituting the PUP were amended to align them with the Standard Legend for urban planning tools