Here's what Niagara Falls looked like when it was turned off for the first time in 12,000 years

Tech Insider
Niagara Falls dried up in 1969. A boat is seen in the water in the distance.
Niagara Falls dried up in 1969.

AP

The US Army has been dredging the Mississippi River 24/7 for 6 months. The drought crisis that grounded barges and unearthed fossils may finally be over.

Tech Insider
ship deck built with heavy equipment with water shooting into the air over the deck
The US Army Corps of Engineers flushes the water jets of a dredge's suction head.

USACE

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