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.
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://tin.er.usgs.gov/geology/us/index.shtml
Page Contact Information: Peter Schweitzer
Page Last Modified: Wednesday, 08-Oct-2008 15:16:35 EDT
