These maps are generated upon request using the best available data from The National Map and offer customizations such as choice of format, area of interest, and National Map content.

Explore the National Map's 3D Viewer for interactive mapping, elevation profiles, and range ring centroids.

Sep 26, 2024 · The Viewer allows visualization and of USGS most current topographic base map data and products for free. Managed by the USGS National Geospatial Program, users can access data …

Nov 3, 2022 · Use The National Map Viewer to explore GIS data, see availability of USGS topographic maps, and create your own web map.

Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation.

The latest version of topoView includes both current and historical maps and is full of enhancements based on hundreds of your comments and suggestions. Let us know how we can continue to …

Data refreshed weekly. | USGS The National Map: 3D Elevation Program. Data Refreshed October, 2025. | U.S. Fish and Wildlife Service | USGS WBD - Watershed Boundary Dataset.

Draw line to generate an elevation profile. Click on the map to establish the range ring centroid. Lat/Long: Rings: Distance:

A geological map or geologic map is a special-purpose map made to show various geological features. Rock units or geologic strata are shown by color or symbols. Bedding planes and structural features …

Current and historic USGS topographic maps are available for immediate download from The National Map Downloader. Please note that not all features on historical maps appear on US Topos.