http://www.uer.ca/...ow.asp?locid=26477 It's in *really* bad shape, much worse than the pictures show. Make sure to bring a P100 mask if you plan on exploring, lots of loose asbestos insde.
Also, beware of the bat in the basement. He tends to be quite territorial.
EDIT: A daytime explore is probably best IMO. There's so many holes in the walls light from a flashlight can easily excape. And theres so many holes/hazards in the floor, a light is pretty much mandatory to get around.