Oil Cars Only two machines sit on the rails in the roundhouse, both oil cars. It’s not clear whether there’s anything inside either, but they have to have been placed here before 1970, when the turntable outside these numbered doors was removed. Related Similar Images ...based on the tags: black&white, ladders, signs, trains... Somewhere between the grain elevator and the distillery. “Daisy”… probably for the mill, as it was unusual for women to work at Daisy. The back side of the hotel is plain, but for a fire escape. A caustic tank in one of the unremodeled brewhouse backrooms. These buildings were largely used as concentrators for the crushed rock, although I did spy some small mills inside these too. A door covered in pen graffiti. Canal Park (see bridge) and some of old downtown, formerly Duluth City Hall and Police Department (center-left). At least one star has appeared in the sky… A different kind of tree fort. Sprays of water kept the muddy mixture flowing across the sluices, which filtered out gold particles from gravel and dirty.