The 29 lock and dams on the Upper Mississippi make that shipping possible, allowing for navigation from St. Louis, Missouri, to Saint Paul, Minnesota, a total distance of 854 miles. There are records of human habitation along the Mississippi river that date back more than five thousand years.
The formation of the Mississippi River Delta can be traced back to the late Cretaceous Period, approximately 100 million years ago, with the creation of the Mississippi embayment. The embayment began focusing sediment into the Gulf of Mexico, which facilitated the deltaic land-building processes for the future.
The state of Mississippi is named after the Mississippi River. Though the river was called by many different names, the name Mississippi given to it by the Indians was the name that was used on Robert Cavelier Sieur de La Salle's map of the area in 1695. Mississippi means "large river" to the Chippewa Indians.Jul 28, 2017
At Lake Itasca, the river is between 20 and 30 feet wide, the narrowest stretch for its entire length. The widest part of the Mississippi can be found at Lake Winnibigoshish near Bena, MN, where it is wider than 11 miles.Nov 14, 2017