- Sigurd Knolls
Sigurd Knolls (coord|71|21|S|7|38|E|) is an isolated rock knolls at the north end of
Otter Plain , about 20 miles (32 km) northwest ofDrygalski Mountains inQueen Maud Land . Plotted from surveys and air photos by theNorwegian Antarctic Expedition (1956-60) and named forSigurd Helle , geodesist and leader of Norwegian Antarctic Expedition (1956-60).
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