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Volume 9: Number 4: Article 3
North American Indian Effigy Mounds: An Enigma at the Frontier of Archaeology and Geology
Andrei Apostol, Geophysicist, Center for Biolocation, 83-45 Broadway,
Suite 517, Elmhurst, New York, 11373.
Mounds created by North American Indian cultures about 700-3,700 years
ago in the shapes of animals and humans are known today as Effigy Mounds.
One of the unexplained features of these mounds is their large proportions.
Effigy Mounds are found in Southern Wisconsin, in Allamakee County,
Iowa (Effigy Mounds National Monument), in Adams County, Ohio (The Great
Serpent Mound), and, the oldest known one, in Poverty Point, West Carroll
Parish, Louisiana. The largest number of Effigy Mounds, about 5,000,
has been located in southern Wisconsin. There is no generally accepted
theory that explains the purpose of Effigy Mounds. We discuss the correlation
of some Effigy Mounds with geophysical anomalies.
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