Geologic maps of US states

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format
A newer version is available at https://doi.org/10.5066/F7WH2N65 and will replace this version when it is prepared for this system.
Data for the District of Columbia is included with Maryland. Puerto Rico is also available.

Interactive maps

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Legend and colors for the lithology
Style file Software Instructions
LegendInteractive maps
lith6_2.styleArcMap StyleInstructions
lithclass.qmlQGIS style fileInstructions