Big idea for rebuilding La. marshes sparks big bayou brawl

There was a time when the Mississippi carried hundreds of millions of tons of sediment a year from its sprawling drainage basin to the Gulf of Mexico. And most important here in southeast Louisiana: The river regularly overflowed, spreading nourishing silt into coastal marshes. That ended when Congress ordered the Army Corps of Engineers to wall off the river after the devastating 1927 flood. The levees strangled marshes, cutting off their sediment, and since then the state has lost 1,900 square miles of land, an area as large as Delaware more@eenews  16:45

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