And you were driving on Carranza Rd (not Hakwins Bridge Rd, btw)? Look at the target: https://online.boydsmaps.com/#17/39.75013/-74.58487/pines2020
If so, the ranger is either inept or full of sh*t. Either way, I'd contact the Park Police about it.
The property contains the remains of the sewage treatment plant for Amatol. I was told the land was recently sold, but I'm not sure to whom.
The general store/gas station was here: https://online.boydsmaps.com/#19/39.62614/-74.65430/njgin2007i
One of my earliest memories of the store involves...
"he cleared a two-by-three foot strip of land next to one of the homes nearby."
Is there a typo here?
I asked my grandmother about Clyde. She said that his general store was up and running in 1942 when my great grandfather bought the cabin on the Mullica. My great grandfather called Clyde...
https://online.boydsmaps.com/#17/39.84274/-74.69833/lidar2021bw
Clearly a giant footprint. Obviously an extinct species of three-toed animal. @Spung-Man might try to tell you that it is a deflationary basin from the pleistocene or some such nonsense. Don't buy it.
OK, I think I finally have an answer for you.
Dam: https://boydsmaps.com/#18/39.83730/-75.05852/lidar2021bw
Race: https://boydsmaps.com/#18/39.83759/-75.05900/lidar2021bw
Mill: https://boydsmaps.com/#18/39.83763/-75.05943/lidar2021bw