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Bagging the shoreline to protect marshes

Protecting marshes John Brecher / msnbc.com Louisiana National Guardsmen attach a 2-ton sandbag to a Blackhawk helicopter at Port Fourchon, La. This sandbag and about 350 others were being hauled approximately four miles to the coast and dropped into breaks in the headland beach. Plugging those gaps will create a continuous barrier that prevents oil from entering the enclosed marshes, said Chett Chiasson, executive director of the Greater Lafourche Port Commission. If oil reaches the shore, he said, it's easier to remove from a beach than from the patchwork of grass and waterways that make up the marsh behind it. The operation started Monday morning.