Examples of a type of pottery decoration consisting of diamond-shaped checks found at the Swift Creek sites are also known from Hopewell sites in Ohio (such as Seip Earthworks, Rockhold, Harness, and Turner), and the Mann site in southern Indiana as well as the Crystal River Site in Florida.
Certain types of pottery ornamentation featuring diamond-shaped checks have been discovered at Swift Creek sites and are also present at Hopewell sites in Ohio (including Seip Earthworks, Rockhold, Harness, and Turner), as well as at the Mann site in southern Indiana and the Crystal River Site in Florida.