Crumbling wall of Fort Jefferson, Dry Tortugas National Park, FL. © 2011 Kenneth R. Sheide

South coaling dock remnants at Fort Jefferson. Dry Tortugas National Park, FL. © 2011 Kenneth R. Sheide

Walkway around corner with Loggerhead Key visible in distance. Fort Jefferson, Dry Tortugas National Park, FL. © 2011 Kenneth R. Sheide