2824
The county is bound to its western border by the Susquehanna River ( with the exception of a small peninsula next to Duncannon ) .
 location: Susquehanna River; location: Duncannon
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 location: Susquehanna River; location: Duncannon