National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection

The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography...高分辨率国家水文数据集增强版（High Resolution National Hydrography Dataset Plus, NHDPlus HR）是一套集成地理空间数据图层的数据集，涵盖了最新的国家水文……