There's a hiking/camping site I used to monitor ( clubtread.com, great site if you are into it), there used to be a VERY long thread about this gold mine, and its existence. Some members were even talking about it being in a closed area near Pitt Lake (as well as a grow op among other things...it was a long thread:
http://www.clubtread.com/sforum/topic.asp?TOPIC_ID=10228 ). There was one guy who seemed to have a lot of information about the location of the mine, and a lot of information about the site's history:
http://www.bc-alter.net/dfriesen/mine.html (and the following chapters)
On a similar note, there'a apparently a B25 plane crash up around the Pitt area too. It's apparently on one of the mountain sides. A friend and I think we found where it was and were planning a trip to the site, but summer arrived, and we got sidetracked. I no longer have the coordinates (GPS stolen)
These are the 2 stories I could find on it:
http://www.bc-alter.net/dfriesen/mine4.htmlhttp://www.darkglobe.net/team/training/b25.html (bottom section)
There's a lot of wierd my smelly socks out there once your off the beaten trail. I was recently up Indian arm with some buddies and came across a bunch of old logging gear (winches, cranes...) on logging road that we had no idea even existed (I'm sure some members know the I'm talking about though)
Either way, it sounds like this gold mine has quite a bit of history associated with it, and a lot of mystery, ghosts, curses and whatnot.