Beginning in the 1930s, America built 29 giant locks and dams across the Mississippi River and they turned a wild river into a massive water staircase

The Upper Mississippi River's navigation was transformed by America's construction of locks and dams in the 1930s. While ...
Yahoo

Here's how the locks and dams on the Mississippi River work, and why they exist

Get on a boat on the upper Mississippi River, and you'll eventually come upon a looming concrete structure stretching across the river's main channel. It's called a lock and dam, and it's a distinct ...
Milwaukee Journal Sentinel

The Mississippi River lock and dam system is critical to the economy. But it's falling apart fast.

LA CRESCENT, Minn. — Late spring snow lingered on bluffs next to the Mississippi River as a tug from Little Rock, Arkansas, slowly crept northward, pushing a dozen empty barges. Sitting high out of ...
Argus Media

River locks at Baton Rouge, New Orleans closed

Two locks on the Mississippi River near Baton Rouge and New Orleans, Louisiana, were shut to traffic starting this morning due to structural failures. The Port Allen lock near Baton Rouge and Inner ...