The concrete posts were the base of an old steam water tank, still present til about 5 yrs ago when it was removed.
Similar to one of these:
https://www.google.com/search?q=stea...KTZvHtZHUvM%3A IIRC these are about 10 miles east of Jacksonville.
Pix of the state line gate show some vandalism, the Ladiga side used to have a side view of an "indian chief" with full feather bonnet, and
there was some more to the Silver Comet sign than is now seen, but can't recall precisely what is missing. I do see the pix of the dogs,
as there are at least one female, which I was told had pups late in the summer. She was pretty skinny even before that. Lots of food
dishes, a dog house in the woods and dried dog food left by visitors.