20210512 14234400 1.0 TRUE Retained Waters List - Areas This is a selection of the National Hydrography Dataset (NHD), which is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. U.S. Geological Survey