 The cemetery site has provided researchers with evidence that Early Archaic civilizations had specific burial practices and buried their dead in mounds, often with numerous individuals buried together.Other significant discoveries made at the site include early evidence of North Americans using stones to grind food and keeping domesticated dogs.Three dog burials, and one burial 35 km away at the Stilwell II site in Pike County, date to 9,900 years ago and are the oldest dog remains discovered in the Americas.