60490
focused on the identification , isolation , improvement , and marketing of a wide variety of mineral properties in Washington , Alaska , Canada , and Nevada , pursuing copper , uranium , nickel , coal , magnetite , lead , silver , and gold .
 None
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:  
Answer:
 None