Ampliacion de la escollera submarina Norte en su tercera etapa, se colocaron 16,000 toneladas de roca basaltica y 200 core-locs de 20.52 toneladas cada una habiendo aumentado 60 metros. / Extension from north underwater jetties in its thirth stage, it was placed 16,000 tons of basaltic rock and 200 core-locs from 20.52 tons each one.
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