Report and vote of the engineer Gaetano Rappini on the desiccation of the Pontine Marshes at the Sanctity of N.S. Pope Pius VI, Rome 1983. In folio, canvas decorated in gold, 42 pages, 55 color plates, of which 21 leaflets 1 inserted card. Facsimile of the manuscript of Eng. Rappini (1734-1796). Very good condition.