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The site , about half of which is wetland s , was used for military research by the U.S. Army 's Harry Diamond Laboratories from the 1960s to the 1990s , prior to which ( until the 1940s ) it was a popular tourist spot , known as Dawson Beach [ 1 ] .
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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:
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