Effigy mound
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An effigy mound is a raised pile of earth built in the shape of a stylized animal, symbol, religious figure, human, or other figure. The Effigy Moundbuilder culture is primarily associated with the ye
Great Serpent Mound, Ohio, constructed ca. 200 BCE
One of many eagle-shaped mounds in Wisconsin, an effigy with a wingspan of 624 feet (190 m)
Effigy Mounds National Monument preserves more than 200 prehistoric mounds built by pre-Columbian Mound Builder cultures, mostly in the first millennium CE, during the later part of the Woodland perio
Effigy mound
…Adena culture Effigy Mounds National Monument Hopewell tradition…
Big Bear Mound at Effigy Mounds National Monument
An entrance to Effigy Mounds National Monument
Lidar-derived image of Marching Bears Mound Group, Effigy Mounds National Monument.
Woodland conical mounds at Effigy Mounds National Monument, Sny Magill Unit, Clayton County, Iowa