Sectors of the sectoral plan for the exploitation of materials

Sand and gravel sectors according to the “Sectoral plan for the exploitation of materials” (PSEM). The PSEM is the basic study on which the cantonal master plan for the planning of the use of materials (sands and gravel, marls and hard rocks) is based. The layer presents the sand and gravel sectors chosen according to the principles adopted in the cantonal master plan. They are differentiated according to three priority levels (priority sectors, non-priority sectors and resources to be preserved). Deposits of marls and hard rocks are not represented.