Prehistoric-Roads.jpg
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Summary
| Description |
English:
Prehistoric roads and great houses in the San Juan Basin.
|
| Date | |
| Source | http://pubs.usgs.gov/fs/2004/3035/pdf/fs-2004-3035.pdf |
| Author | USGS |
Licensing
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This image is in the
public domain
in the United States because it only contains materials that originally came from the
United States Geological Survey
, an agency of the
United States Department of the Interior
. For more information, see
the official USGS copyright policy
.
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