1870
As well as agriculture and fishing , they also controlled the silver mining industry in the Upper Harz and in Goslar .
 location: Upper Harz; location: Goslar
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: Upper Harz; location: Goslar