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In addition to the Chattooga River and the headwaters of the Chattahoochee River , natural attractions within it boundaries include the beginning of the Appalachian Trail , Georgia 's highpoint , Brasstown Bald and Anna Ruby Falls .
 Chattooga River, Chattahoochee River, Appalachian Trail, Georgia, Brasstown Bald, Anna Ruby Falls
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chattooga River, Chattahoochee River, Appalachian Trail, Georgia, Brasstown Bald, Anna Ruby Falls