I don't know what we have here, but there are loud trains that go by every day and night. Years ago, all the old insulators were taken during the bottle craze of the 60's and 70's. There are some old trestles I know of, but they are underwater now.
There are a lot of those around my area. The Pennsylvania Glass Sand Company was active in this area, and the PRR ran all around here. The marbles here are dark green. ~Jim
Here's a marble I found along the old railroad grade that was originally built in 1868, and moved in 1903. It's pretty much out in the middle of nowhere. ~Mike