Duisburg Skyline Germany’s steel mill city. Similar Images ...based on the tags: catwalks, windows... …somebody get the number of that truck! Near the Day Rooms in the Paying Patient ward. The powerhouse had two elevated tracks behind it, one for coal and one for deliveries. This is a great example of a combination rock house; the silos below used to fill trains with ore dropped from mine cars pulled to the top of the structure. This section of the production floor was constantly dripping. Someone had laid down giant plastic sheeting to attempt to protect the lower floors, but it hasn’t worked. Looking through a secure ward door at the destroyed rooms beyond. These were some of the most attractive shops of all the mines in the area. It’s no wonder Hanna Mining wanted to use them as their center of operations in the Iron River district. The spiral staircase ends in the basement, where two oil tanks (for the lantern) and a freshwater tank (for the Keeper) were stored. The basement consists of two long arched vaults like this. Just outside of the blast furnace is a series of platforms and catwalks to bring workers to the stoves. An ajar car elevator car afar, technically.