Effigy Mounds National Monument | |
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Location | Allamakee / Clayton Counties, Iowa, USA |
Nearest city | Marquette, Iowa and Dubuque, Iowa |
Coordinates | 43°05′20″N 91°11′08″W / 43.0888°N 91.1856°W |
Area | 9.78 km2 (3.78 sq mi)[2] |
Created | October 25, 1949 |
Visitors | 77,195 (in 2016)[3] |
Governing body | National Park Service |
Website | Effigy Mounds National Monument |
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 period of pre-Columbian North America. Numerous effigy mounds are shaped like animals, including bears and birds.
The monument is located primarily in Allamakee County, Iowa, with a small part in Clayton County, Iowa, in the midwestern United States.[4] The park's visitor center is located in Harpers Ferry, Iowa, just north of Marquette. In 2017, the Effigy Mounds were featured in the America the Beautiful Quarters Program.