AP PROVIDES ACCESS TO THIS PUBLICLY DISTRIBUTED HANDOUT PHOTO PROVIDED BY NATIONAL PARK SERVICE; MANDATORY CREDIT.
This image courtesy of the National Park Service shows the headstone of John Greer, which was found underwater by archeologists during a survey at Dry Tortugas National Park in August 2022, in Florida. The inscription reads "John Greer. Nov. 5. 1861." Archeologists have found the remains of a 19th century quarantine hospital and cemetery on a submerged island in Florida's Dry Tortugas National Park, according to park officials Monday, May 1, 2023. (C. Sproul/National Park Service via AP)