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Last Updated: October 14, 2026
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gallery.usgs.gov/videos/458 Displays and describes in detail the various features that make up the National Hydrography ... This lesson will provide a brief overview of the National Hydrography Dataset ( Hydrography Advisory Call Presenter: Ethan Shavers, USGS National Geospatial Program Center for Excellence in GIS (CEGIS) ... Dewberry Associate and Senior Project Manager Sue Hoegberg explains the National Hydrography Dataset in about two minutes. This video shows how to download and use the Visit gallery.usgs.gov/videos/124 (for captioned version and other formats) Water is vital to our Nation and the U.S. ... The new 3D Hydrography Program (3DHP) is the focus of USGS efforts to acquire and produce detailed surface-water mapping ... OpenGeo prototyped a web-based alternative that would allow a broader range of stewards to engage in editing
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