As many as 7,000 dead bodies were found buried under a portion of the University of Mississippi Medical Center campus, the Clarion-Ledger reports.
The remains likely belong to the patients of the Mississippi State Lunatic Asylum, the state’s first mental institution that opened in 1855.
During construction in 2012, 66 bodies were uncovered.
“In size, they are fairly uniform,” the school wrote about the coffins that were uncovered. “About six feet long but alarmingly narrow, as if each held a pair of stilts instead of a human skeleton.”