Effigy Mounds National Monument
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.Effigy Mounds National Monument
geographical nameDefinition of EFFIGY MOUNDS NATIONAL MONUMENT
site NE Iowa on Mississippi River NW of Dubuque including prehistoric mounds
Effigy Mounds National Monument
(Concise Encyclopedia)Archaeological site, northeastern Iowa, U.S. Located on the Mississippi River, it covers 4 sq mi (10 sq km). Established in 1949, the monument has 183 known mounds, some of which are in the shape of birds and bears. The mounds were built over the course of the Woodland period (1000 BC–AD 1200), with the effigy mounds probably constructed between AD 400 and 1200. Many mounds have yielded copper, bone, and stone tools of Indian origin. One of the bear mounds is 137 ft (42 m) long and 3.5 ft (1 m) high.
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