National Hydrography (NH) News

USGS National Hydrography
USGS National Hydrography

Introduction

The USGS National Geospatial Program manages the National Hydrography Dataset (NHD), Watershed Boundary Dataset (WBD), and NHDPlus High Resolution (NHDPlus HR). These geospatial datasets represent the surface water of the United States for mapping and modeling applications.
The USGS and partners are designing the 3D Hydrography Program (3DHP) as the next generation of surface water mapping for the Nation.
The Hydrography Addressing Tool, or HydroAdd, is a web-based tool that allows users to link data to the National Hydrography Dataset (NHD).

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