Frente IV.- Construcciýn de 20 Casetas e instalaciýn de equipos de osmosis inversa, en los municipios de (1) Casas Grandes, (2) Galeana, (3) Nvo. Casas Grandes, (2) Buenaventura, (1) Ignacio Zaragoza, (1) Ascensiýn, (1) Juýrez, (7) Ahumada y (2) Praxedis G. Guerrero todos del Estado de Chihuahua.

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