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        Summary 
        This is a map of the  Class I Railroads I made using  DOT data.
         Licensing 
        
         
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           I, the copyright holder of this work, hereby publish it under the following license:
           
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          This map image could be recreated using  vector graphics as an  SVG file. This has several advantages; see  Commons:Media for cleanup for more information. If an SVG form of this image is already available, please upload it. After uploading an SVG, replace this template with {{ vector version available|new image name.svg}}. | 
         
        
        
        
        
       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
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