yes they are!
Hernando de Soto found the Mississippi River in 1541.
Jacques Marquette found the Mississippi River ,Arkansas River and the Chicago River .
The Mississippi River system.
The Mississippi River is found in North America. It is the second-longest river in the United States and flows through several states, including Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.
U.S.A.
USA
The explorer that Decovered the Mississippi River was Louis Joliet (1645-1700) and one of his voyagers Maquette.
no bullsharks have been found in the Mississippi river as far north as Mississippi
the Mississippi river
Mississippi river and Arkansas river
he found the Mississippi river.
Gulf of Mexico