Geologic Mapping in the western United States

Digital Geologic Map Information
and other digital data

Welcome! The U.S. Geological Survey and its partners conduct geologic mapping and other studies, the results of which can be found as digital data sets. On this page we provide links to digital geologic map information and to related data sets available on-line and on CD-ROMs.


On-line geologic map data


Geologic map data bases in the western United States

Searchable data base of geologic maps for the entire United States (many of them not now available as digital data)

Digital geologic maps of Southern California

Partiall compilation of digital USGS geologic products


On-line photos and other data related to geologic mapping

Satellite images and digital topographic maps


The URL for this page is: <http://geology.wr.usgs.gov/wgmt//digdata.html>
Page Maintained by: Dave Miller
Last Modified: 29 June 1998