Ball and Rod Mills Tucked-into the side of the concentration mill… these machines were meant to crush underground rock into a fine dust for mineral extraction. Similar Images ...based on the tags: dirty, heights, machinery, mills, wheels... The end of the monorail in the nitrating house. Steam pipes snake up the walls like vines, but with asbestos. The annex casts a long shadow over its old headhouse and the former UGG (currently Vitera C) elevator. Arista 100. Perhaps this office was for a film studio or music producer. Under the monster and its teeth. A hydraulic ‘bridge’ couple lower onto the tracks to bring mine cars into the shaft house, presumably for repair. I haven’t found this system anywhere else, but it makes a lot of sense. The pigeons and raccoons have no use for these, so they will sit empty until snow or fire removes them by force. In the nitrating house. Looking down the Gilman-Belden tram.