Description: A map showing the relative development and preservation of three peneplains in the southern half of the Chattanooga district. Darkest areas, base-leveled areas of the late Tertiary or Coosa peneplain; lightest shade, early Tertiary or Highland Rim peneplain; intermediate shade, remnants of the Cretaceous or Cumberland peneplain. Residuals above the Cumberland peneplain are shown in slightly darker shade.
Source: Isaiah Bowman, Ph. D, Forest Physiography (New York, NY: John Wiley and Sons, 1911) 595
Map Credit: The Private Collection of Roy Winkelman |
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