Broken Dust Pipe It seems like this pipe was made to return dust to the collector in the main workhouse from the annex. Related Similar Images ...based on the tags: clouds, dirty, graffiti, heights, pipes, silos, skyways... Ruined cars abandoned in the generator hall, long after its namesake was scrapped. Kate stands on top of the tailings pile that added some usable land to the side of the gulch. Somewhere nearby is the buried Santiago Tunnel. Eric Thunder Bay Elevator, now stands without a headhouse. Around the silos, a few shacks still stand. The purpose of the concentrator was to separate the gold and silver-rich ore from the waste rock. You can tell from the design that the process relies heavily on gravity. I liked the color of her hair against the rusty rock house and blue winter sky. The fiery side of a launch building, just is it began to rain. The top of the annex was bare except for these holes into the silos below. At an abandoned train repair shop.