Intrusive Spur
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Intrusive Spur () is a rock spur along the north front of the Jones Mountains, 1 mile (1.6 km) west of Avalanche Ridge. Mapped by the University of Minnesota-Jones Mountains Party, 1960-61. So named by the party because the intrusive complex of the basement rocks of the Jones Mountains is well exposed on the spur.
This article incorporates text from Intrusive Spur, in the Geographic Names Information System, operated by the United States Geological Survey, and therefore a public domain work of the United States Government.
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