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            This is a file from the  Wikimedia Commons. Information from its  description page there is shown below.  Commons is a freely licensed media file repository.  You can help. 
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           | Description | 
           
             English: United States petroleum production and imports, 1920 to 2005; data from the  w:Energy Information Administration of the  w:United States Department of Energy 
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           | Date | 
           8 August 2006  (8 August 2006 (original upload date)) | 
          
          
           | Source | 
           Transferred from  en.wikipedia; transferred to Commons by  User:Teratornis using  CommonsHelper.  (Original text : self-made using Excel from data published by the Energy Information Administration of the Department of Energy) | 
          
          
           | Author | 
           David Moe  RockyMtnGuy. Original uploader was  RockyMtnGuy at  en.wikipedia | 
          
          
           Permission ( Reusing this file) | 
           
             Released under the  GNU Free Documentation License. 
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         Licensing 
        
         
          
            RockyMtnGuy at the  English language Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
           
            
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             Permission is granted to copy, distribute and/or modify this document under the terms of the  GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.  Subject to  disclaimers.www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue 
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