Watersheds

This layer contains HUC-12 watershed delineations used in the City of Johns Creek, GA for stormwater and other hydrology-related tasks.本图层收录了适用于佐治亚州约翰斯克里克市雨水管理及其他水文相关任务的12位水文单元编码（Hydrologic Unit Code 12-digit，HUC-12）流域划界数据。