antlion, 11 months ago No river can be traced all the way up to a dividing ridge. As the contributing drainage area gets smaller it will be a stream, then creek, trickle, gulley, and by the time it’s on a mountain ridge it’s nothing.
No river can be traced all the way up to a dividing ridge. As the contributing drainage area gets smaller it will be a stream, then creek, trickle, gulley, and by the time it’s on a mountain ridge it’s nothing.