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After the war , Repenning attended the New Mexico School of Mines and worked for the United States Geological Survey in Holbrook , Arizona , where he mapped the Navajo Reservation ; Menlo Park , California , where he studied at the University of California at Berkley ; and eventually Denver , Colorado , writing extensively on fossil and modern day mammal s of many types , culminating in his work to create a bio - chronology based on microtine rodents ( e.g. , ) .
 person: Repenning; organization: New Mexico School of Mines; organization: United States Geological Survey; location: Holbrook; location: Arizona; location: Navajo Reservation; location: Menlo Park; location: California; organization: University of California at Berkley; location: Denver; location: Colorado
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: Repenning, New Mexico School of Mines, United States Geological Survey, Holbrook, Arizona, Navajo Reservation, Menlo Park, California, University of California at Berkley, Denver, Colorado 
Answer:
 person: Repenning; organization: New Mexico School of Mines; organization: United States Geological Survey; location: Holbrook; location: Arizona; location: Navajo Reservation; location: Menlo Park; location: California; organization: University of California at Berkley; location: Denver; location: Colorado