284234
It is also slightly upstream of the Lock Haven Dam ( also known as the Dunnstown Dam ) , built in the 19th century to provide water to the West Branch Canal , which ran parallel to the Lockport and Dunnstown side of the river .
 location: Lock Haven
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Lock Haven 
Answer:
 location: Lock Haven