257539
After the closure of the Walhalla mines , substantial timber traffic was carried from sawmills around Erica until the late 1940s .
 location: Walhalla; location: Erica
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: Walhalla, Erica 
Answer:
 location: Walhalla; location: Erica