264684
It was probably named after Archibald Campbell , US commissioner in the joint negotiations to locate the international boundary 1857-1862 , who had his camp at the mouth of the creek .
 location: US
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: US 
Answer:
 location: US