Mineral Resources On-Line Spatial Data

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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Conterminous US

Show in your GIS using OGC WMS:

http://mrdata.usgs.gov/services/kb?request=GetCapabilities&service=WMS&version=1.1.1

Download:

Get the entire data set

• Shapefile, NAD83/GRS80 ( 14M .zip)
• Shapefile, NAD27/Clark1866 (7.4M .zip)

Documentation:

Metadata:

[Outline] - [Questions & Answers] - [Plain text]

Source of the database:

• http://pubs.usgs.gov/dds/dds11/
• Professional Paper 901 - description of 1974 compilation and history of geologic maps of USA

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U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Peter Schweitzer
Page Last Modified: Tuesday, 11-Dec-2012 15:44:41 MST