October 13, 2014, by Decree # 5309, Ministry of the environment and protection of land and sea together with the Agenzia del demanio, recorded at the Court of Auditors on 1 St December 2014, Reg. # 1, sheet # 4271, it was placed the passage from the State of the State of a former course of the river Dora Baltea River in the municipality of Gressan (AO), distinct in N.C.T. of the same commune on Folio 6 486, 487, 488 n. particles.