Geologic Maps

Since the 1800s, the USGS and its partners, the State Geological Surveys, have been producing high quality, standardized geologic maps of the Nation. Check out the National Geologic Map Database (NGMDB), which is the National archive of these maps and related geoscience reports.

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Filter Total Items: 19
Date published: April 13, 2018

GFSAD30 Products and Webmaps

The above map is an example of the 30 meter Cropland Extent products that are available for inspection on Users can explore additional data sets such as 250 meter data and 1 kilometer data. Likewise, users have the ability to zoom in to examine individual pixels.

Date published: March 12, 2018

The National Map

The National Map is a collaborative effort among the USGS and other Federal, State, and local partners to improve and deliver topographic information for the Nation. It has many uses ranging from recreation to scientific analysis to emergency response. The National Map is easily accessible for display on the Web, as products and services, and as downloadable data.

Date published: December 5, 2017

Geologic Map of Alaska

This is an interactive version of the Alaska geologic map database which allows a user to view and access many features of the database and map through a standard web browser. In other words, there is no need for or knowledge of specialized GIS software.

Date published: May 19, 2016

The National Geologic Map Database

The USGS partners with the Association of American State Geologists (AASG) to develop a distributed archive of standardized geoscience information for the nation.

Date published: March 14, 2016

Planetary Geologic Mapping Program

The Planetary Geologic Mapping Program is managed by the USGS for NASA, producing geologic maps across the Solar System.The maps are made to the same standards as similar maps for the Earth, providing a consistent high-quality product readily intelligible to any geoscientist.

Date published: March 7, 2016

Geologic Map Data

Digital geologic maps of the U.S. States with consistent lithology, age, GIS database structure, and format.