Cave Clan Jan From the summer a bunch of Australians visited Minnesota. Similar Images ...based on the tags: graffiti, people, reflections, sunsets, water... Don Crist ’83. Brick Graffiti Series. The approach to Dock 4 is long demolished, so it is only accessible when the lake freezes. A diesel crane and conveyor belt tripper are the major pieces of equipment that dominate the dock. About a century later. A view of the main factory building, looking toward the two furnaces. Giant chunks of cooled slag form an island near Mud Lake. I follow this advice every day. You should too. Beside the half-demolished Thunder Bay Elevator shops and offices (brick building) are some rusting fishing boats. A little bit of SWP #7 is seen in the upper right. The ice reflects the blue sky on the rust. The sunset blasts through the concrete pillars holding it all up. An unplanned skylight. It’s unclear why some parts of the building had wooden roofing, while others were highly reinforced with brick.