Butler Summit (77°33′S161°6′E / 77.550°S 161.100°E /-77.550; 161.100) is apeak rising to about 1,000 metres (3,300 ft) in the extreme western part of theDais inWright Valley,McMurdo Dry Valleys. It was named by theAdvisory Committee on Antarctic Names (2004) afterRhett Butler ofIncorporated Research Institutions for Seismology (IRIS); Program Manager for theGlobal Seismograph Network;United States Antarctic Program investigator for theSouth Pole Station seismic observatory installed jointly by IRIS and theUnited States Geological Survey.

•  This article incorporatespublic domain material from"Butler Summit".Geographic Names Information System.United States Geological Survey.

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