The U S, Engineer Dep't Snag-boat DENISON - During April 1955. In operation while demolishing and removing from the river, the old abandoned Lock #7 and it's dam , on the Warrior River, near Eutaw Ala .
Photograph of a United States Army Corps of Engineers sign for Lock and Dam No. 24 along the Mississippi River at Clarksville, Missouri. The photograph was taken on board the steamboat DELTA QUEEN.
Mississippi River Chain of Rocks Improvement. Proposed Locks No. 27. War Department, Corps of Engineers, Upper Mississippi Valley Division. Conceptual design.