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Built over the site of Sheridan , the first county seat , it is owned and operated by the United States Forest Service and is one of the recreational areas of the Black Hills National Forest .
 location: Sheridan; organization: United States Forest Service; location: Black Hills National Forest
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: Sheridan; organization: United States Forest Service; location: Black Hills National Forest