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WEATHER
Ponca Plains
Ecoregion
on
Great Plains
in
SD
,
NE
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The unglaciated level to rolling plains of the Ponca Plains distinguish this region from the dissected topography of 42h. Row crop agriculture including soybeans, corn, and alfalfa cover the landscape. Soils are silty to loamy, tend to be sandier than 42h, and are derived from soft sandstone and Cretaceous Pierre Shale.
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EPA
Taxonomy
Classified As
Ecoregion
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