AIr Vent & Lamp House On the left you can see one of the later air shafts for the mine below, which allowed for natural air exchange with the main production areas of the coal mine. That is to say, there were no fans blowing fresh air down below. Related Similar Images ...based on the tags: green, mine-shafts, rooftops, towers, trees, vents... In what used to be a hallway under what used to be a skyway, each with what had conveyor belts for the grain that once was stored here. The fog doesn’t change. The new concrete workhouse, as seen through chickenwire. The mill was powered, in part, by water flowing through turbines under it. After the flow worked the industrial heart of the flour mill, it was exit to the Mississippi here. SFAAP’s iconic smokestacks. You’d notice if you drove past this on the highway. Looking at the engine house (left) from atop the stoves. The company headquarters. Abandoned last time I drove past it, though it is the classiest building in downtown South Bend. A typical room in Birtle. A wide view of the complex from a far rooftop. An elevator is reflected in the flooded footprint of Spencer & Kellogg. These trains are in storage for the winter.