CONSERVACION PERIODICA MEDIANTE TRABAJOS DE RENIVELACION Y RIEGO DE SELLO DEL KM. 0 000 AL KM. 9 200 DEL TRAMO: LIBRAMIENTO HUICHAPAN (DOS CUERPOS) DE LA CARRETERA: PACHUCA-QUERETARO CON UNA LONGITUD DE 18.4 KMS EN EL ESTADO DE HIDALGO.

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