85860
The county is bound to its western border by the Susquehanna River ( with the exception of a small peninsula next to Duncannon ) .
 Susquehanna River, Duncannon
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Susquehanna River, Duncannon