Spiral Staired Control Room The control room floats above the top of the dock atop a spiral staircase. Related Similar Images ...based on the tags: cables, clouds, lake-superior, lights, spiral-staircases, staircases, sunsets, water... A staircase leads behind three of the dock chutes, seemingly to nowhere. The lower on the left held one end of a string of lights above the dock. A heavy steel security door, taken right off its hinges. This was likely installed after Grafton State School took over the hospital. National Mine and its rockhouse (?) as seen from Mammoth Hill. From this angle, I am fairly certain this was a crushing and sorting house. The bottom looks like it has two aerial tram doors as well. A rusting disconnect gangway. The smokestack is for a boiler, if I recall. The stock house tanks were long scrapped for their steel, but what remains gives a sense of what it looked like. A familiar scene in Control Tower B, though the microphone has not been used for years. Perhaps one side is firmer than the other? The office was redder than the rest of the building. The BOMARC launch buildings are spaced on a large concrete pad that looks like a parking lot. Out of view are underground pipes for fueling and cooling the rocket motors.