- 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 ...
North America, abundant with majestic rivers, boasts an intricate network ... Provides hydropower to 40 million people. - Major distributary of the Mississippi. - Watershed: 95,100 sq miles.