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           | Description | 
           NSFNET-backbone-T3.png
             English: NSFNET T3 Backbone Map Fall 1992 Source: windows Network, Inc. 
             
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           | Date | 
           14 March 2011 (original upload date) | 
          
          
           | Source | 
           Transferred from  en.wikipedia to Commons by  Fredlyfish4 using  CommonsHelper. | 
          
          
           | Author | 
           
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