title: Sigurd Knolls
text: # Sigurd Knolls
  
  Sigurd Knolls (71°21′S 7°38′E﻿ / ﻿71.350°S 7.633°E﻿ / -71.350; 7.633) is an isolated rock knolls at the north end of Otter Plain, about 20 miles (32 km) northwest of Drygalski Mountains in Queen Maud Land. Plotted from surveys and air photos by the Norwegian Antarctic Expedition (1956–60) and named for Sigurd Helle, geodesist and leader of Norwegian Antarctic Expedition (1956–60).
  
  This article incorporates public domain material from "Sigurd Knolls". Geographic Names Information System. United States Geological Survey.
  
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