The Horn Mound is a Native American mound in eastern Pickaway County

Pickaway County, Ohio

As of the census of 2000, there were 52,727 people, 17,599 households, and 13,287 families residing in the county. The population density was 105 people per square mile . There were 18,596 housing units at an average density of 37 per square mile...

, Ohio

Ohio

Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. Located near the village of Tarlton

Tarlton, Ohio

Tarlton is a village in Fairfield and Pickaway counties in the U.S. state of Ohio. The population was 298 at the 2000 census.-History:This village was originally settled and called Newellstown in 1801, and was probably the first settlement in Pickaway County, Ohio...

, the mound sits along a stream at a significant distance from any other prehistoric sites. It is believed to have been built by people of the Adena culture

Adena culture

The Adena culture was a Pre-Columbian Native American culture that existed from 1000 to 200 BC, in a time known as the early Woodland Period. The Adena culture refers to what were probably a number of related Native American societies sharing a burial complex and ceremonial system...

, who constructed many burial mounds

Tumulus

A tumulus is a mound of earth and stones raised over a grave or graves. Tumuli are also known as barrows, burial mounds, Hügelgrab or kurgans, and can be found throughout much of the world. A tumulus composed largely or entirely of stones is usually referred to as a cairn...

 and other ceremonial earthworks

Earthworks (archaeology)

In archaeology, earthwork is a general term to describe artificial changes in land level. Earthworks are often known colloquially as 'lumps and bumps'. Earthworks can themselves be archaeological features or they can show features beneath the surface...

 in prehistoric Ohio. Although erosion

Erosion

Erosion is when materials are removed from the surface and changed into something else. It only works by hydraulic actions and transport of solids in the natural environment, and leads to the deposition of these materials elsewhere...

 by the nearby stream has the potential of damaging the mound, it appears to be virtually undisturbed by human exploration. Because of its pristine state, the Horn Mound is a likely archaeological site

Archaeological site

An archaeological site is a place in which evidence of past activity is preserved , and which has been, or may be, investigated using the discipline of archaeology and represents a part of the archaeological record.Beyond this, the definition and geographical extent of a 'site' can vary widely,...

, and for this reason it was listed on the National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

in 1974.