This portal provides access to The National Map data from the USGS and their partners, including State and local implementations of The National Map
The National Map Viewer is the primary viewer for the data in The National Map and offers an array of functions and tools for viewing and creating maps. This viewer allows the user to define an area of interest, a scale factor or zoom, and specific data layers to view. There are numerous tools that allow you to find a specific place, identify a feature, determine the elevation, measure a distance, and much more.
