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The Bonnet Carre Spillway was opened on May 9, to divert flood water from the Mississippi River into Lake Pontchartrain.
330 of the spillway’s 350 bays were opened before the corps started closing them on June 12.
The last 20 bays were closed on Monday.
On May 14, the Morganza floodway was opened to diverted water from the Mississippi into the Atchafalaya River, which carried it into the Gulf of Mexico.
It caused some flooding in the Atchafalaya Basin.
The number of gates opened on the Morganza peaked at 17.
Only one gate remained open as of Monday morning.
The floodgate at the Morganza Spillway in Morganza, Louisiana, was opened on Saturday, May 14, 2011.
After 3 days, the water from the flooded Mississippi River has reached places like Butte LaRose and St. Landry Parish at the northern end of the basin, putting some houses underwater.
Towns and crop lands along the Atchafalaya River basin that are in the path of the diverted flood waters could be flooded as high as 20 feet in coming days.
On Tuesday, the Coast Guard closed a 15-mile stretch of the Mississippi River at Natchez, Mississippi, north of New Orleans.
Vessels were blocked from heading toward the Gulf of Mexico and from returning north after dropping off their freight.
These barges carry corn, wheat, soybean and others from the Midwest to ports near New Orleans, where they get loaded onto huge grain carriers to be exported around the world.
Below are photos of the flooding along the Mississippi River.
- Water rushes over dirt roads inside the Morganza Floodway as water from the flowing floodway heads south near Krotz Springs, Louisiana, May 17, 2011. (REUTERS/Sean Gardner)