Named by the US-ACAN for Sebastian R . Borrello, geomagnetician at Wilkes Station in 1958.
2.
Named by Advisory Committee on Antarctic Names ( US-ACAN ) for Norman W . Peddie, geomagnetician and seismologist at Byrd Station, 1964.
3.
It was mapped by the United States Geological Survey from surveys and from U . S . Navy trimetrogon photography, 1958 & ndash; 60, and named by the Advisory Committee on Antarctic Names for John O . Annexstad, geomagnetician and station seismologist at Byrd Station, 1958, and later with the Meteorite Working Group, Johnson Space Center, Houston, Texas.
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