Is 612 spans as long as The Mississippi River?
It's about one-twenty-five-thousandth as long as The Mississippi River
The length of The Mississippi River is about 16,470,000 spans.
(from Lake Itasca, Minnesota through Pilottown, Plaquemines Parish, Louisiana)
The total length of the Mississippi River is 16,470,000 spans. Prior to the development of soil erosion programs, the Mississippi River would carry approximately 400 million metric tons of sediment from its banks to the Gulf of Mexico every year.
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