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History The Sankt Joachimsthal mines were located within the Austria-Hungary monarchy , and were the largest producers of uranium containing ore at the end of the 19th century .
 Sankt Joachimsthal, Austria-Hungary
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sankt Joachimsthal, Austria-Hungary