A shaded-relief representation of the National Elevation Dataset (NED) covering the United States. Elevation is portrayed as a range of colors, from dark green for low elevations to white for high elevations.
The National Geospatial Program: • Organizes, maintains, publishes, and disseminates the geospatial baseline of the Nation's topography, natural landscape, and built environment through The National Map, a set of basic geospatial information provided as a variety of products and services • Fosters a general understanding of broad geographic patterns, trends, and conditions through The National Atlas of the United States of America ® • Increases the efficiency of the Nation's geospatial community by improving communications about geospatial data, products, services, projects, needs, standards, and best practices maintain a vast array of high-quality geospatial data. A significant objective of the National Geospatial Program (NGP), through the Partnership Network (http://liaisons.usgs.gov/geospatial/), is to leverage these assets through mutually beneficial partnerships that ensure the ongoing availability of current data consistent with National Spatial Data Infrastructure (NSDI) principles. The National Map Products and Services The National Map embodies 11 primary products and services and numerous applications and ancillary services.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.