"Blackwater" Mine
In the late summer of 2018, we made a visit to a remote mine in Idaho. The ruined inclined tramway was my main interest, but the mine is more extensive than it looks. I've been asked not to disclose this mine's name or location.
Guy has explored the deserts and mountains of the Western US for over three decades. In that time, he has found a couple of hidden and remote locations that don't see many visitors. The best way to contact him is on this site.