Paha Ridges: Iowa Landforms Revealed

Obscured from view by vegetation and built structures, Iowa’s often subtle landforms are revealed through a LiDAR-derived bare earth digital elevation model in a Geographic Information System. Geological and human made features can be seen in this series of LiDAR color hillshade maps from across the State.


The elevated linear ridges in this map are erosional geological features called Paha and are found primarily in east-central Iowa along major river valleys.

The Paha ridges are found in east-central Iowa.

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