Geologic map of the U.S.

Geologic map of the U.S.   (excluding Hawaii and Alaska)
Sample showing degree of regional detail available on the larger image. The area shown is southern California.

Note that the download files are very large. However, the maps are very detailed and useful for analysis.

All materials are from the U.S. Geological Survey.
   A Tapestry of Time and Terrain
   By José F. Vigil, Richard J. Pike, and David G. Howell, 2000.

   Large image   [ 36 MB, .pdf ]
   Accompanying pamphlet   [ 45 MB, .pdf ]

You may also be interested in:
   Relief map of the U.S.


Updated: July 11, 2006

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