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Its northernmost point is near the mouth of the Susquehanna River , where the river enters the Chesapeake Bay , while on the south , it is bordered by the Gunpowder River .
 location: Susquehanna River; location: Chesapeake Bay; location: Gunpowder River
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: Chesapeake Bay; location: Gunpowder River