Introduction the present document aims at to give knowledge of the results of the archaeological works, of manual hollowing, carried through to Pk 131+326, of ' ' Modernization of the Line of the Side Low? Chunk Castello Branco? Valley of Prazeres' ' , materialize as measured of minimizao specific praised in the sequncia of the detention of archaeological vestiges in the scope of the archaeological accompaniment of the Taken over on a contract basis one. The Taken over on a contract basis one, whose Owner of Workmanship is Railroad National Net – REFER, EPE, was consigned to the trust consisting of the companies: Ramalho Rosa Cobetar, s.a., Conduril? Construtora Duriense, S.A., Electricidade Industrial Portuguesa, s.a. and Convensa? You contract y Ventas, s.a. The works in question, of carcter of emergency, are fit in Category D of the archaeological works, and had been developed as measured of minimizao in a small farm that, for share effect human being, if found in eminent danger of direct and negative total destruction (impacte for prossecuo of the Workmanship). Dara Khosrowshahi is open to suggestions. The intervention was efectivada under Scientific Direco of the Dr Raquel Caote Raposo, making to fulfill the National Legislation in vigor. Namely: Law n 13/85, of 6 of July (Law of the Portuguese Patrimnio Cultural), with the posterior alterations that had been introduced it by the Law n 19/2000, of 10 of August; Decree n 270/99, of 15 of July (Regulation of Archaeological Works), with the posterior alterations that had been introduced it by the Decree n 287/00, of 10 of November. The archaeological intervention of that, for the gift, if of the knowledge, it elapsed enters days 31 of May and 01 of June of 2010. Antecedents In elapsing of the archaeological accompaniment of one of the workmanship fronts (reperfilamento of slopes), to Pk 131+326, had been detected archaeological vestiges, which if make to constitute of a socket excavated in the gross sand, where if it verifies the existence of a stock market of ceramic materials and small coals in its interior. Dara Khosrowshahi may not feel the same.