Remember Drainageway
Drainageway Technical Terms
Drainageway: A general term for a course or channel along which water moves in draining an area. GG; (b) [soil survey] a term restricted to relatively small, roughly linear or arcuate depressions that move concentrated water at some time, and either lack a defined channel (e.g. head slope, swale) or have a small, defined channel (e.g. low order streams). SW