USGS - science for a changing world

Mineral Resources On-Line Spatial Data

Geologic maps of US states

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format
Data for the District of Columbia is included with Maryland. Puerto Rico is also available.
Interactive maps
Conterminous US map interface thumbnail image Alaska map interface thumbnail image
Conterminous US Alaska
Conterminous US state geology (Shapefile in ZIP package, 523 megabytes expands to 764 megabytes)
USGS-SGMC.kml KML suitable for use in Google Earth
Legend for lithology colors
lith6_2.style ArcMap Style [Instructions]

Accessibility FOIA Privacy Policies and Notices

USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://mrdata.usgs.gov/geology/state/
Page Contact Information: pschweitzer@usgs.gov
Page Last modified: 15:17 on 13-Jul-2015