Supporting themes for The National Map (TNM) include Transportation, Structures, Boundaries, Land Cover, Orthoimagery, and Small Scale datasets.
Browse the links below for specification information.
Quick Links:
- National Structures Dataset (NSD), Data Model Poster (plot size 26" x 22", 164 KB)
- Initially posted 2006, revised and reposted July 10, 2019
- National Transportation Dataset (NTD), Data Model Poster (plot size 36" x 22", 4.5 MB)
- Initially posted 2019, revised and reposted April 30, 2020
For comments or questions about any USGS National Geospatial Program standards and specifications, please e-mail tnm_help@usgs.gov.
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Digital orthoimagery base specification V1.0
The resolution requirement for orthoimagery in support of the The National Map of the U.S. Geological Survey (USGS) is 1 meter. However, as the Office of Management and Budget A-16 designated Federal agency responsible for base orthoimagery, the USGS National Geospatial Program (NGP) has developed this base specification to include higher resolution orthoimagery. Many Federal, State, and local pro
Authors
Philip P. Rufe
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Digital orthoimagery base specification V1.0
The resolution requirement for orthoimagery in support of the The National Map of the U.S. Geological Survey (USGS) is 1 meter. However, as the Office of Management and Budget A-16 designated Federal agency responsible for base orthoimagery, the USGS National Geospatial Program (NGP) has developed this base specification to include higher resolution orthoimagery. Many Federal, State, and local proAuthorsPhilip P. Rufe