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Overall , the dominant tribe on the north side of the Potomac River was the Algonquian Piscataway tribe , which later absorbed some of the smaller tribes ' survivors .
 location: Potomac River; location: Algonquian Piscataway
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Potomac River; location: Algonquian Piscataway