<Table> <Tr> <Th> Site </Th> <Th> Image </Th> <Th> Description </Th> </Tr> <Tr> <Td> Adena Mound </Td> <Td> </Td> <Td> The Adena Mound, the type site for the culture, is a registered historic structure near Chillicothe, Ohio . </Td> </Tr> <Tr> <Td> Biggs Site </Td> <Td> </Td> <Td> The site, located in Greenup County, Kentucky, is a conical abide surrounded by a series of circular ditches and embankments . It is connected to the Portsmouth Earthworks directly across the Ohio River in Portsmouth, Ohio . </Td> </Tr> <Tr> <Td> Criel Mound </Td> <Td> </Td> <Td> A 35 - foot (11 m) high and 175 - foot (53 m) - diameter conical mound, it is the second largest of its type in West Virginia . It is located in South Charleston, West Virginia . P.W. Norris of the Smithsonian Institution oversaw the excavation . His team discovered numerous skeletons along with weapons and jewelry . </Td> </Tr> <Tr> <Td> Enon Mound </Td> <Td> </Td> <Td> Ohio's second largest conical burial mound, it is believed to have been built by the Adena . </Td> </Tr> <Tr> <Td> Grave Creek Mound </Td> <Td> </Td> <Td> At 69 feet (21 m) high and 295 feet (90 m) in diameter, it is one of the largest conical - type burial mounds in the United States . It is located in Moundsville, West Virginia . In 1838, much of the archaeological evidence in this mound was destroyed when several non-archaeologists tunneled into the mound . </Td> </Tr> <Tr> <Td> Miamisburg Mound </Td> <Td> </Td> <Td> Once serving as an ancient burial site, the Miamisburg Mound is the most recognizable landmark in Miamisburg . It is the largest conical burial mound in Ohio, and remains virtually intact . Located in a city park at 900 Mound Avenue, it is an Ohio historical site and serves as a popular attraction and picnic destination for area families . Visitors can climb to the top of the mound via stone - masonry steps . </Td> </Tr> <Tr> <Td> Wolf Plains Group </Td> <Td> </Td> <Td> A Late Adena group of 30 earthworks including 22 conical mounds and nine circular enclosures . It is located a few miles to the northwest of Athens, Ohio . </Td> </Tr> </Table> <Tr> <Th> Site </Th> <Th> Image </Th> <Th> Description </Th> </Tr> <Tr> <Td> Adena Mound </Td> <Td> </Td> <Td> The Adena Mound, the type site for the culture, is a registered historic structure near Chillicothe, Ohio . </Td> </Tr> <Tr> <Td> Biggs Site </Td> <Td> </Td> <Td> The site, located in Greenup County, Kentucky, is a conical abide surrounded by a series of circular ditches and embankments . It is connected to the Portsmouth Earthworks directly across the Ohio River in Portsmouth, Ohio . </Td> </Tr>

The mounds built by the adena culture were used for all of the following purposes except