Old River Control Structure Old River Control Structure The Old River Control Structure is a floodgate system in a branch of the Mississippi River in central Louisiana. It regulates the flow of water leaving the Mississippi into the Atchafalaya River, thereby preventing the Mississippi river from changing course. Completed in 1963, the complex was built by the U.S. Army Corps of Engineers in a side channel of the Mississippi known as "Old River", between the Mississippi's current channel and the Atchafalaya Basin, a former channel of the Mississippi. The Old River Control Structure is actually a complex containing the original low-sill and overbank structures,
Morganza, Maryland Morganza, Maryland Morganza is an unincorporated community in St. Mary's County, Maryland, United States. Today, it is home to a few homes and St. Joseph's Catholic Church, which had been in the area since 1759. The current church on Route 5 at the top of the hill was built in 1860 and the Morganza Post Office was established there in 1867, named after the Morgan family. The post office is now located across from Chopticon High School. Morganza was home to two public one-room school houses and the church opened a parochial school for white students in 1926 and for