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In May 1960 , a 38,762 hectare area of western Kanagawa Prefecture in the Tanzawa Mountains was designated for protection as the Tanzawa-Ōyama Prefectural Natural Park .
 location: Kanagawa Prefecture
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: Kanagawa Prefecture