Fluid database from the subsoil, waters with peculiar chemistry and historical reports of the Emilia-Romagna Apennines

Database of geological units home to aquifers, in the hilly and mountainous region, characterized by significant densities of springs, and informally called 'rocks-warehouse'. Presence of historical database, scale 1:250,000. Census of sources from aqueduct supply, and sources documented in historical topographic cartography.