Paha are elongated landforms built of loess alone, or of till capped by loess. In Iowa, paha are prominent hills running from northwest to southeast, formed during the same period of erosion that carved the Iowan surface, and they are treated as erosional remnants because they often preserve buried soils beneath them. They typically rise more than 6.1 meters above the surrounding land. The word paha means hill in the Dakota Sioux language, and the same kind of landform occurs elsewhere in the United States and, under the name greda, in Europe.
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Paha (landform) (Wikipedia)
In Discipline: Geomorphology, Lead paragraph
Paha (or greda) are elongated landforms composed either of only loess or till capped by loess
Caused By: Erosion, Lead section (caused-by Erosion)
In Iowa, paha are prominent hills that are oriented from northwest to southeast, formed during the period of mass erosion that developed the Iowan surface, and they are considered erosional remnants since they often preserve buried soils.
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