Sometime this weekend, the Mississippi River’s flow at the Red River Landing in Louisiana is expected to reach 1.5 million cubic feet per second, the trigger for the U.S. Army Corps of Engineers to open the Morganza Floodway, which has the capacity to divert 600,000 cfs. By Angelle Bergeron Soldiers of Louisiana National Guards 769th Engineer Battalion place HESCO baskets in Morgan City, Louisiana, which is expected to receive flooding when the Morganza Floodway is opened this weekend. Operating the floodway could send 5 to +25 ft of floodwater across 3 million acres of farmlands and residences. But the Corps
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.