In this article, we explore the 10 longest rivers in North America, their length ... The Lewis and Clark expedition followed this route. - Largest river by drainage area. - Watershed: 1.2 million ...

North America is the third largest continent in the world ... which lasted from 1968 until 2010 - more than 40 years. The Missouri River is the longest river in North America.

- The Lewis and Clark expedition followed this route. - Largest river by drainage area. - Watershed: 1.2 million sq miles. - Flows through 10 states. - Flows through Alaska. - Watershed: 328,000 ...