51417
The glacier described was mapped by United States Geological Survey ( USGS ) , 1960 – 63 , and was so named by Advisory Committee on Antarctic Names ( US-ACAN ) because ( with Fendley Glacier to the east ) it nourishes the Simpson Glacier Tongue .
 organization: United States Geological Survey
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: United States Geological Survey 
Answer:
 organization: United States Geological Survey