Related Links: Corps Unveils Public National Levee Database Corps Pulls Out All the Stops To Cope With Rising River Corps of Engineers' List of 93 Mississippi Basin Critical Flood Repair Projects As time races toward fall floods and potential disaster along the Mississippi River and Tributaries System, the U.S. Army Corps of Engineers is at work on 10 projects—damaged by high water this past spring and summer—that the agency deems most critical to protect life and safety. This work is worth an estimated $75.8 million, but the Corps wants to focus on the long term. Both the public and policymakers
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.