Construcciýn de la Secciýn Hidrýulica Trapecial de Concreto, Recuperaciýn de la Secciýn Hidrýulica y Profundizaciýn en Tierra en el Rýo San Lorenzo en una longitud de 1.345 Km., ubicada en la localidad y Municipio de Tulancingo de Bravo, Hgo.

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