They can be 'navigated'
because the rivers are more deep and wide so they can erode more
1 mile 2 ft deep
A waterway deep and wide enough for a vessel is called navigable.
Not deep enough, not wide enough, doesn't run through any major freight hubs.
Deep and wide enough for boats to travel and trade more recourses
Deep and wide enough for boats to travel and trade more recourses
Deep and wide enough for boats to travel and trade more recourses
is a thing
This would be called a "sigh" breath.
I think the rivers are to wide
what are the different advantages of mile-wide deep curriculum?