National Geographic : 1954 Sep
+ The Last Gap: a Flood Crew Moves In for the Kill A torrent still charges like a ma levolent beast through the narrow gap between pilings and sandbags, but Holland's "water-builders" have al most closed the dike breach. Soon the boats will push woven willow rafts (background) into the snarling current and sink them with stones; such mats keep the water from gully ing the bottom. Onto this foundation of weighted mats the workers will sink prefabricated concrete caissons to complete the closure (page 399). © Nationaal Foto-Persbureau + Dutch Soldiers Win a Sea Battle Troops from Belgium, Great Brit ain, France, and the United States helped the Netherlands lick its old enemy, the sea, in 1953. Around a storm-punched break, these men build an emergency dam. Its horseshoe shape, as Dutchmen learned centuries ago, best foils currents. When the dam is tight, the original dike can be mended. 394 Black Star S... L... .