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        Summary 
        
         
          
           | DescriptionUs coal regions 1996.png | 
           
            English:  United States coal regions with  provinces shown.  
             
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           | Source | 
            http://pubs.usgs.gov/of/1996/of96-092/index.htm | 
          
          
           | Author | 
           
             This file is lacking author information. 
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        Licensing 
        
         
          | Public domainPublic domainfalsefalse | 
         
        
        
         
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          This image is in the  public domain because it 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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