Portsmouth Earthworks
Archaeological site in Ohio, United States / From Wikipedia, the free encyclopedia
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The Portsmouth Earthworks are a large prehistoric mound complex constructed by the Native American Adena and Ohio Hopewell cultures of eastern North America (100 BCE to 500 CE).[2] The site was one of the largest earthwork ceremonial centers constructed by the Hopewell and is located at the confluence of the Scioto and Ohio Rivers, in present-day Ohio.
Quick Facts Location, Region ...
Location | Portsmouth, Ohio, U.S. |
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Region | Southern Ohio and Northeastern Kentucky |
History | |
Founded | 100 BCE |
Abandoned | 500 CE |
Cultures | Adena culture, Hopewell culture |
Architecture | |
Architectural styles | Earthworks, enclosure, causeway, causewayed ring ditch |
Architectural details | Number of monuments: |
Horseshoe Mound | |
Location | Scioto County, Ohio |
Nearest city | Portsmouth, Ohio |
Coordinates | 38°44′35.70″N 82°58′38.39″W |
Built | 499-0 BCE, 499-0 CE, 1000-500 CE |
NRHP reference No. | 74001621 |
Added to NRHP | 1974[1] |
Portsmouth Earthworks, Group A | |
Location | Greenup County, Kentucky |
Nearest city | South Portsmouth |
Coordinates | 38°43′17.76″N 83°1′22.98″W |
Built | 499-0 BCE, 499-0 CE, 1000-500 CE, 1499-1000 CE, 1749-1500 CE, 1750-1799 CE |
NRHP reference No. | 80001534[1] |
Added to NRHP | December 4, 1980 |
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The majority of the mound complex site is now covered by the city of Portsmouth in Scioto County, Ohio.[2] Several individual sections of the complex have been included on the National Register of Historic Places.