1 天前 · USGS (U.S. Geological Survey) National Geologic Map Database. U.S. Department of the Interior | U.S. Geological Survey Supported by the National Cooperative Geologic Mapping Program Page Contact Information: Personnel Page Last Modified: Mon Feb 10 13:11:19 2025

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2022年11月3日 · The National Map is a collection of free, nationally-consistent geographic datasets that describe the landscape of the United States and its territories. Included in The National Map are the latest elevation data from the 3D Elevation Program (3DEP) , surface water data from the National Hydrography Datasets (NHD) , and place name data from the ...

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. They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more.

The National Geologic Map Database (NGMDB) is the primary source for geologic map and related geoscience information of the United States. It is a Congressionally-mandated function under the Geologic Mapping Act and has been a strong example of State-Federal cooperation since its inception in 1995.

Explore, interact, and download geologic maps from the USGS National Geologic Map Database.

The U.S. Geologic Names Lexicon ("Geolex"), a National compilation of names and descriptions of geologic units.

This Web site includes downloadable GIS files for the Generalized Geologic Map of the United States, Puerto Rico, and the U.S. Virgin Islands, which has been released as part of the National Atlas (http://nationalatlas.gov/natlas/Natlasstart.asp). A browse graphic for the entire map is provided, as well as a map legend.

Query and order satellite images, aerial photographs, and cartographic products through the U.S. Geological Survey

2020年3月27日 · Published in 1974 by the US Geological Survey, the geologic map of the United States beautifully lays out our country’s geology. If you’re stuck at home these days –as most of us are—you can gaze at this masterpiece and go anywhere!