From the Archives: October 5, 1950
· enr.com
This 1950 cover image depicts work at the Chain-of-Rocks Lock No. 27 on the Mississippi River, located just upriver from St. Louis, Mo., and just downstream of the confluence of the Missouri and Mississippi Rivers.
This 1950 cover image depicts work at the Chain-of-Rocks Lock No. 27 on the Mississippi River, located just upriver from St. Louis, Mo., and just downstream of ...