Complex sentence: Stallings Island is an archeological site with shell mounds, located in the Savannah River near Augusta, Georgia, and the namesake for the Stallings culture of the Late Archaic period and for Stallings fiber-tempered pottery, the oldest pottery in North America.
Split into simpler sentences: Stallings Island is an archeological site with shell mounds, located in the Savannah River near Augusta, Georgia. The site is the namesake for the Stallings culture of the Late Archaic period and for Stallings fiber-tempered pottery, the oldest known pottery in North America.