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 ...
myHOMEBOOK magazine on MSN

Which smart door locks are worth it

The house key is one of those things you often search for when your hands are full. Smart locks promise relief here and aim ...
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Unlocking How Pin Tumbler Locks Work

We use keys and locks all the time, but how do they work? There are many types of lock, but the most common is called a Pin Lock. Trump administration sues California over egg prices WestJet agent ...
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 ...
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 ...