Flood Study Cut Lines

Flood study "cut lines" are water surface elevations derived for floodplain mapping for existing and future land-use conditions for all streams in the City of Johns Creek, GA.洪水研究"截线（cut lines）"指针对佐治亚州约翰斯克里克市所有溪流的现状与未来土地利用情景，为开展洪水漫滩填图所推求得到的水面高程。