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FOLLY BEACH, S.C. — Hurricane Matthew unearthed some interesting finds.

Ordnance disposal teams were sent to Folly Beach, South Carolina, on Sunday morning after a beach walker discovered old military ordnance washed up on the beach, Andrew Gilreath, city director of public safety, told CNN.

Officials told CNN affiliate WCSC the ordnance appeared to be Civil War cannonballs.

The Charleston County Sheriff’s Office Bomb Team and Air Force Explosive Team responded to the scene to examine them, and the Explosive Team brought them to a Navy base to be destroyed, according to CCSO.