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.

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.

USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National …

5 days ago · Combining direct measurements with artificial intelligence methods, researchers at Princeton and the University of Arizona have created a map that estimates groundwater depth …

Data refreshed weekly. | USGS The National Map: 3D Elevation Program. Data Refreshed January, 2026. | U.S. Fish and Wildlife Service | USGS WBD - Watershed Boundary Dataset.

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 …

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.

topoBuilder is a web application that enables the public to request customized, made-to-order USGS topographic maps, known as OnDemand Topos, that utilize the best available data from The …

Map your world with CalTopo. Backcountry or your backyard; research, plan, share, and take maps with you on your mobile device. View real time data, choose layers that suit your needs, print maps, …