
            
            By: magic-gigapans
            
              Image: Robin Rohrback, Mid-Atlantic Geo-Image Collection
                
            
            
              License:
                 Creative Commons Non Commercial ⧉
              
            
          
            Uploaded: 13 May 2020
            Last Updated: 6 Jul 2020
          
              487 megapixels
            21,668 x 22,468 pixels
            72.2 in X 74.9 in at 300dpi
            
          
From Leisenring, west of McConnellsburg, PA. The pattern is sandstone cemented by limonite. This sample is on display in the USGS headquarters in Reston, VA, and is on loan from the Smithsonian Institution.