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. Similar Images ...based on the tags: green, mine-shafts, rooftops, towers, trees, vents... 2013. A perfect summer day meets a beautiful old roundhouse on the edge of town. C’mon and grab your friends… we’ll go to very—rusty lands… Ava between ammo warehouses and railroads. Looking out from what little remains of the second floor at the poor house, which was in terrible condition. No roof and no floors. Soon to be ruins. Counter-weighted ore cars alternately filled and emptied to feed Furnace 7. Honestly, though, the corner-mounted cranes are sexier in my opinion. Note the trees growing from the stacks. The gold mine is now a gravel pit. New friends met at the exploring expo. When it became “Hyde Park Hospital”, this portico was added onto the front. The skyway in the bottom of the picture is now gone.