Duncannon Rear Light

We passed by Duncannon Rear Light on the road from Duncannon to Ballyhack and took these photos. Not much different from when were last there in 2008, when we took our photos from the exact same spot. This is the original 1817 Roches Point Light, deemed too small for that location, and transported to Duncannon in 1838.
A paper dated from the 1860s indicates that there was actually a third fixed light at Duncannon at that time, located on top of Black Hill. I can't even find Black Hill on any maps!