Place

Erosion Markers

Two metal poles extend out of a rolling hill under hazy sky with badlands formations in horizon.
These markers demonstrate the erosional forces shaping the Badlands today.

NPS Photo / Serena Rosales

Quick Facts
Location:
Wall, SD
Significance:
Solid proof of how fast the Badlands erode.

Scenic View/Photo Spot

Survey markers that were previously installed in the soft clays of the Chadron Formation are slowly weathering out. The exposure of the survey markers and the year they were installed demonstrate the rate of erosion in this area.

Badlands National Park

Last updated: December 15, 2020