The Missouri River
The Mississippi River.
The Missouri River drains to the area of northwest of the Rockies. The Missouri River is 2565 miles long and is the longest river in the United States.
The Missouri River is longer, but may be considered a tributary to the Mississippi River, which drains much of the eastern interior of the US.
the mackenzie river
Mississippi
The Mississippi River, and its tributaries including the Missouri and Ohio Rivers. The Missouri River can be considered to be the longest interior river.
The Mississippi River
== == The Mississippi River drains into the Gulf of Mexico. Did you also know that the Mississippi River is the second longest river in The United States, only to the Missouri?
The Michigan River is located in north central Colorado in the United States. It drains a rural part of the eastern side of North Park in eastern Jackson County.
The longest river in the United States is the Mississippi River.
The Mississippi River and its tributaries drain all or part of 31 states and a small part of one Canadian province.