Ore Chute Ruins inside the Gold Prince Mill-(C)SUSBTREET.org Some of the workings inside the ruins of the Gold Prince Mill are still obvious, such as this steel ore chute over that used to feed a floatation tank. Similar Images ...based on the tags: concrete, rocks, ruins... A tunnel connecting the two larger caves in the hill; those that Jacob vented in the rear. The vents are still extant! These tubes would bring cement to the top of the plant for storage in the silos. Bricks from the demolished buildings. The tailings boom is the first and last thing you see when approaching the mountaintop shipwreck. Near the old slag dump there are the remains of the pouring buckets that received the molten steel from the US Steel blast furnaces, filled to the brim with pig iron. They must be incredibly heavy! 300 tea lights illuminate what Greg Brick calls the Rotunda, under the brew house proper, which was part of Christopher Stahlmann’s natural cave. A photo from my first trip, although very little has changed in this area of the building except for the level of graffiti. I love skylights, don’t you? Chester Creek Infall, near Duluth’s old Armory. The creek will not emerge again until it is near the Lakewalk. These ruins of buildings recovered acid from the explosives line to be recycled.