Whakaotihia te rerenga e whai ake nei:
I te waipuke o te Moana-a-Kiwa o te tau 1953, ko te aukati i te awa o IJssel i kitea he koretake. Nō reira i te tau 1954 ka tīmata te hanga i tētahi ārai hau hou, te tāutanga tuatahi o te Delta Works.