Florida Keys National Marine Sanctuary maritime heritage volunteer Cassie Qualls returns to the surface after investigating 19th century wreckage discovered on Alligator Reef near Islamorada.
Florida Keys National Marine Sanctuary maritime heritage volunteer Cassie Qualls returns to the surface after investigating 19th century wreckage discovered on Alligator Reef near Islamorada. Matthew Lawrence/NOAA
Florida Keys National Marine Sanctuary maritime heritage volunteer Cassie Qualls returns to the surface after investigating 19th century wreckage discovered on Alligator Reef near Islamorada. Matthew Lawrence/NOAA

A cannon and a 19th Century shipwreck were found off the Florida Keys last month

November 15, 2018 12:27 PM