Instructional Videos on Using The National Map Products and Services
The National Map (TNM) is the collection of mapping products and services produced by the USGS National Geospatial Program. Understanding the complexity and richness of TNM is now made easier for geospatial data users, scientists, and the public, with this series of video lessons that show how to use TNM services, applications, interfaces, data, and tools. Topics include but are not limited to: using 3D Elevation Program (3DEP) data, the National Hydrography Dataset (NHD), TNM viewers and applications, topographic maps, 3DEP collaboration tools, and EarthExplorer.
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As one of the cornerstones of the U.S. Geological Survey's (USGS) National Geospatial Program, The National Map is a collaborative effort among the USGS and other Federal, State, and local partners to improve and deliver topographic information for the Nation. It has many uses ranging from recreation to scientific analysis to emergency response.