The Mississippi.
The longest river in the United States is the Mississippi River.
Mississippi is a river in United States.
The principal river of the Southwestern United States and Northwest Mexico is the Colorado River. Its absolute location is .40 deg 28 min N 105 deg 49 min W.
The longest river in the United States is the Mississippi River.
The Colorado River, the principal river of the southwestern United States and northwest Mexico, drops more than 1000 feet of elevation as it runs through the Grand Canyon.
The Japura river in the Brazil & Colombia & the Jurua river in Peru and Brazil.
· Colorado River (United States) · Columbia River (United States) · Congo River (Africa)
The Mississippi River.
It is the widest river in the United States.
The Mississippi River separates the west from the east in the United States of America.
The Colorado River forms part of the southwest boundary of the United States.
United States of America