This past weekend my wife and I went to the family cabin. We took a ATV trip to the old smelter at Bullionville. This is a photo of a rebuilt building, and the old smelter. There are also the remains of about 30, 20 X 20 log cabins, I don't know why I didn't get any photos.
http://www.ghosttowns.com/states/ut/bullionville.html
