Geology of the conterminous United States

A digital version of the Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii.

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Show in a web browser window:

Show in Google Earth or other KML viewer:

kb-units.kml (uncompressed 40 megabytes)

kb-units.kmz (compressed 16 megabytes)

Show in your GIS using OGC web services:

https://mrdata.usgs.gov/services/kb (WMS, version 1.3.0)

https://mrdata.usgs.gov/services/wfs/kb (WFS, version 1.1.0)

Download

Get the entire data set:

kbgeology.zip (zipped shapefile 14 megabytes)

kbgeology-nad27.zip (zipped shapefile 7.4 megabytes)

Documentation