OnDemand - 100K - HYDRO - Falls-Rapids - Line

An area of swift current in a stream or river, characterized by standing waves or by boulders and rocks. Rapids exist as point, line, or polygon. May be a named feature. Or a vertical or near vertical descent of water over a step or ledge in the bed of a river. Waterfall exists as an NHDPoint and NHDLine. May also be a named feature. Feature displayed as a solid blue line.