A weir is a small dam built across a river to control the upstream water level. Weirs have been used for ages to control the flow of water in streams, rivers, and other water bodies. Unlike large ...

The U.S. Army Corps of Engineers, St. Paul District, will host an open house on its Lock and Dam 7 outdraft weir modification project Feb. 27, from 5:30 p.m. – 7 p.m. in the Nursing Center at ...