Railroad historians can tread the path of the old Fernandina to Cedar Key rail line and look across the marsh to where the line once connected with the main shipping dock. Some old trestle posts are still visible at the water's edge.
BYOP - it may serve a dual purpose - and please replace cache as found, or as you think it should be! Not having a writing tool is not going to fly. You must find a way to make a distinctive mark or in some way prove you found the cache. I appreciate help maintaining the log, but if the cache appears to be missing, log a DNF and please no throw-downs.
Permission to place caches along the trail was granted by Florida's Nature Coast Conservancy