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| Courtesy Ray Sterner, Johns Hopkins University Applied Physics Laboratory. Copyright Ray Sterner. See the Color Landform Atlas of the United States at http://fermi.jhuapl.edu/states/ |
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| Courtesy Ray Sterner, Johns Hopkins University Applied Physics Laboratory. Copyright Ray Sterner. See the Color Landform Atlas of the United States at http://fermi.jhuapl.edu/states/ |