Horse Island (38CH14) is a historic

mound A mound is a wikt:heaped, heaped pile of soil, earth, gravel, sand, rock (geology), rocks, or debris. Most commonly, mounds are earthen formations such as hills and mountains, particularly if they appear artificial. A mound may be any rounded ...

located near Rockville,

Charleston County, South Carolina Charleston County is located in the U.S. state of South Carolina along the Atlantic coast. As of the 2020 census, the population was 408,235, making it the third-most populous county in South Carolina (behind Greenville and Richland counti ...

. It is one of 20 or more prehistoric

shell ring Shell rings are archaeological sites with curved shell middens completely or partially surrounding a clear space. The rings were sited next to estuaries that supported large populations of shellfish, usually oysters. Shell rings have been reported ...

s located from the central coast of South Carolina to the central coast of Georgia. On average, it measures 156 feet in diameter and stands 4 feet high. The

midden A midden is an old dump for domestic waste. It may consist of animal bones, human excrement, botanical material, mollusc shells, potsherds, lithics (especially debitage), and other artifacts and ecofacts associated with past human oc ...

is largely composed of oyster shell. It was listed on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the Federal government of the United States, United States federal government's official United States National Register of Historic Places listings, list of sites, buildings, structures, Hist ...

in 1970.

References

Archaeological sites on the National Register of Historic Places in South Carolina Buildings and structures in Charleston County, South Carolina National Register of Historic Places in Charleston County, South Carolina Shell rings {{CharlestonCountySC-NRHP-stub