Demolished Duluth Works, Brick 1 Bricks from the demolished buildings. Similar Images ...based on the tags: grass, rocks... The old mill (right) and power plant (left) with the new mill behind them. This was the exterior wall of the roundhouse; engines would have entered on the other side and machinery would line this side, hence the big windows for natural light. Looking into the mouth of the hopper which mine carts dumped into at the top of the Concentrator. A rail maintenance building. I liked the color of the tree against the peeling red paint. The pitch of the roof is more typical for areas with lots of snow—not the border of Ohio and Kentucky. So, I assume this roofline accommodated some equipment inside for trains—note the tracks. Bricks from the demolished buildings. Sidewalks to a boarded barracks, each making the other obsolete in the night. …a better view of the huge tailings boom stretching outside of the tailings pond. A rusting disconnect gangway. The smokestack is for a boiler, if I recall.