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.
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)
Get the entire data set:
kbgeology.zip (zipped shapefile 14 megabytes)
kbgeology-nad27.zip (zipped shapefile 7.4 megabytes)
Metadata:
Geology of the Conterminous United States at 1:2,500,000 Scale -- A Digital Representation of the 1974 P.B. King and H.M. Beikman Map
Explanatory text to accompany the Geologic map of the United States 1974
A Tapestry of Time and Terrain
