The Mississippi River is the second longest river in
North America, flowing 2,350 miles from its source at Lake Itasca* through the
center of the continental United States to the Gulf of Mexico.
There are 7.489 gallons of water in a cubic foot. One
cubic foot of water weighs 62.4 pounds. A 48 foot semi-truck trailer is a 3,600
cubic foot container.
At Lake Itasca, it would take 10 minutes for one
semi-trailer of water to flow out of the lake into the Mississippi.
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At St. Anthony Falls**, the equivalent of 3
semi-trailers full of water goes over the falls every second.
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At New Orleans, the equivalent of 166 semi-trailers of
water flow past Algiers Point each second.
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*Lake Itasca is a small glacial lake in Minnesota that is
known for being the headwaters of the Mississippi River.
**St. Anthony Falls is located northeast of downtown
Minneapolis. The natural falls have been replaced by a concrete overflow
spillway.
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