National Map (United States)

Use The National Map Viewer and Download Platform to visualize, inspect, and download the most current topographic base map data and products for free. Managed by the United States Geological Survey (USGS) National Geospatial Program (NGP), The National Map Viewer provides access to downloadable geospatial datasets including: Elevation, Orthoimagery, Hydrography, Geographic Names, Boundaries, Transportation, Structures, and Land Cover, while products include: US Topo and Historical Topo Maps.

Database Permalink

http://nationalmap.gov/

This permalink is a direct, persistent URL to the database that will always work and won't break.

Time-span

Dates vary

Publisher

United States Geological Survey (USGS)

Notes

United States

Resource Types

Statistics and Data

Online Availability

View Online