11335
Recent drilling into the Pemberton Valley bed encountered remnants of a debris flow that had traveled from the volcano shortly before it last erupted 2,350 " years ago .
 location: Pemberton Valley
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: Pemberton Valley