
            
            By: magic-gigapans
            
              Image: Callan Bentley, Mid-Atlantic Geo-Image Collection
                
            
            
              License:
                 Creative Commons Non Commercial ⧉
              
            
          
            Uploaded: 26 Mar 2020
            Last Updated: 26 May 2020
          
              623 megapixels
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The Paw Paw Tunnel on the C&O Canal exposes some fine geology, like these Brallier Formation slabs which, here, dip into the Tunnel Hollow, with a potential for breaking off and slipping down into the valley.