Karshner Mound, near Laurelville in southeastern Ohio, is a Native American burial mound and one of the state's largest surviving examples to remain largely unharmed since white settlement. About 100 feet across and 28 feet high, it stands in a farm field but was never cultivated, and its vegetation has helped preserve it from erosion. Though never excavated, its form and position on the second terrace above Salt Creek have led researchers to attribute it to the Adena culture, which lived in the region from 1000 BC to AD 400. Its unusual preservation gives it strong archaeological value, recognized by its 1974 listing on the National Register of Historic Places.