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  Regional > North America > United States > Tennessee > Counties > Polk > Science and Environment   Go to Directory Home  

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  The Geologic Story of the Ocoee River http://pubs.usgs.gov/gip/ocoee2/
USGS brochure tells the geologic history of a popular stretch of the river in Polk County, including bedrock geology, copper mining in the Copper Basin, and river hydrology.
  TVA: The Global View http://www.tva.gov/heritage/globalview/index.htm
Article about reclamation of the environmentally devastated Copper Basin, the results of which could be seen from outer space.

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