The filling information layer represents the linear development of beve roofs and locates in the territory each work of this type recorded by the Mountain Basin Service of the Autonomous Province of Trento. Data on the geometric characteristics of the work and the geomorphological context in which it is inserted are also reported.
The tombs are part of the cadastre of hydraulic works, managed through the Information System of the service Bacini Montani (SIBaM). The cadastre lists infrastructures built to mitigate flood hazards (hydraulic — forestry works) and infrastructures built in interference with waterways for certain land use needs (e.g. bridges, crossings,...).