Eureka Flat, shown in this DEM, is a deflational zone aligned with prevailing southwesterly winds. Percentage of sand within surface sediments of Eureka Flat document dunes that mantle the upwind surface, and show a fining downwind trend towards the loess-mantled landscape. The southwest portion of the flat has been a depocenter for glacial outburst flood sediment, a source for dust and eolian sand.
Image 12537 is a 338 by 277 pixel JPEG
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Jul24 08
Permanent URL: https://serc.carleton.edu/download/images/12537/eureka_flat_engine_palouse.jpg
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Provenance
Mark Sweeney, University of South Dakota
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