The surging waters triggered fears of an imminent failure of the Nolichucky Dam in Greeneville, The Tennessee Valley ...

Shown is the Ice Harbor Lock and Dam, the first of four dams constructed as part of the Lower Snake River Project, authorized in the Rivers and Harbors Act of 1945. (Courtesy of Columbia River System ...

the first of four dams constructed as part of the Lower Snake River Project, authorized in the Rivers and Harbors Act of 1945. (Courtesy of Columbia River System Operations EIS) The U.S. Army ...