Dike raising in a-seismie, subsiding area

The east coast of Lake Maracaibo in Venezuela intersects with three large oil fields, Tia Juana, Lagunillas and Bachaquero. Formerly, the coast was low, but still not defended. Since the start of oil production in 1926, both the land and the lake bottom subsided. A dike had to bring protection: the origin of the three polders in the present...