A Dan Josselyn Memorial Publication A premier mound site offers a wealth of primary data on mortuary practices in the Mississippian Period. The largest prehistoric mound site in Georgia is located in modern-day Macon and is known as Ocmulgee. It was first recorded in August 1739 by General James Oglethorpe's rangers during an expedition to the territory of the Lower Creeks. The botanist William Bartram wrote extensively of the ecology of the area...