Concentrators and Control Room Inside the pilot copper concentrator. Related Similar Images ...based on the tags: belts, machinery, mills, pulleys, shacks, staircases, wheels, yellow... With an office like this, the ones food begins to taste more and more like nachos. Inside the pilot copper concentrator. Above my head while taking this picture was the seal of the Department of the Interior. On the boarded-up first floor of the house proper near the door to the chapel, the last pew sites next to a wet box of Bibles. We know what the ladies’ favorite treats were! Found holding parts on a repair cart. Blast Furnace 7 as seen from the ore yard. Imagine running up those stairs through blast furnace smoke. Installed in 1904 at the center of the plant, this is one of two batteries of boilers. Being in Oshkosh, heat was very important to keeping labor moving in the cold months. The remains of the surgical suite. Outbuildings near the perimeter fence. Beyond is all ranch land.