Earthworks often indicate significant historical sites, such as ancient fortifications or ceremonial structures. The earthen mounds found at Cahokia are attributed to a prehistoric Native American city.
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Visibility in Landscape
An earthwork can dominate a landscape, clearly visible from a distance as a distinctive feature. From the valley, you can see the earthwork along the ridge, shaping the horizon.
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Cultural Symbol
Earthworks may symbolize cultural achievements, power, or territorial boundaries The ancient earthwork symbolizes the boundary of the kingdom.