41200
The name was changed by US-ACAN in 2002 to honor Douglas R. MacAyeal , Department of Geophysical Sciences , University of Chicago , Chicago , IL , USAP investigator in the Ross Sea area including study of the Ross Ice Shelf , the West Antarctic Ice Sheet and the Marie Byrd Land ice streams , 1989-2002 .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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