Geology may create scenic interest in the form of cliffs, rock outcrops, ledges, etc. C - terrain is generally unchanging with an occasional variation in slope with not much diversity in the corridor. The quality of views from the river or the river corridor. Consider how appropriate any structures appear in the setting. In this area there may be some structures that are appropriate for the setting and others that are not.
Human impact is close to the river's edge.
A - there are varying gradients of water, with different current speed and direction, whitewater, if present, is abundant. B - flow is diverse throughout most of the segment, with longer sections of uniform flow. C - the flow and water character is predominantly uniform, but there are some stretches with more diversity in the water character, current speeds, and direction. A - pristine, problems only occur rarely. B - problems are widely scattered and less severe.