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Η κατασκευή του άρχισε το 1969 και περιλάμβανε ένα χωμάτινο φράγμα σε απόσταση 150 km ΒΔ των Αθηνών.
the mornos river project was selected to be realised among other possible water supply options. its construction began in 1969, and involved the construction of an earthdam at a location 150 km northwest of athens.