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 ...
KGW8

Explainer: How do the Highland Lakes and dams work?

CENTRAL TEXAS — The Highland Lakes, their flows and storage units are extremely important to the Hill Country and Austin metro. Lakes Travis and Buchanan -- the region's water supply reservoirs -- ...
The Gazette

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

The tug Theresa L. Wood heads upstream after locking through Lock and Dam #8 in May in Genoa, Wis. The vessel was moving barges from St. Louis to Winona, Minn. The locks allow the boats to gradually ...
MinnPost

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

… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. Get on a boat on the upper Mississippi River, and you’ll eventually come upon a ...