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The Sand Hills

Select a new feature About the Upper Tertiary About the Quaternary Period
Sand Hills

The largest field of sand dunes in the Western Hemisphere is located southeast of the Black Hills region and occupies much of western Nebraska. The Sand Hills, developed on the northernmost occurrence of Late Tertiary High Plains deposits (light yellow), are evident on the map as a fine-scale hummocky texture. The dunes formed as recently as 10,000 years ago, during and after Pleistocene time. Under modest changes in climatic conditions, these dormant features could shed their vegetative cover and again become active.

Index map
Index map

Satellite image of Sand HillsImage available from the NASA Space Shuttle Earth Observations Photography database
Photo #STS068-167-00F
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U.S. Department of the Interior
U.S. Geological Survey
Contact: Administrator
Last Modification: 18 Oct 2000 (ebj)
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