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 Parent Directory                                    -   
 plate-1-thumb.jpg              03-May-2011 19:28  6.2K  
 plate-1.pdf                    18-Apr-2011 11:36  6.4M  
 plate-2-thumb.jpg              03-May-2011 19:28  7.1K  
 plate-2.pdf                    18-Apr-2011 11:36  5.9M

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://http://pubs.usgs.gov/of/1991/0106/
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Page Last Modified: Tuesday, July 28 2009, 01:08:18 PM