Grinder A sort of blender in a powder line building. The top vent had been removed, so leaves and light fall onto the teeth now. Similar Images ...based on the tags: ladders, leaves, machinery, wooden... A tower above Minneapolis that few people see. In front of a rust-welded Illinois rotary stoker is where the boiler-men made their mark. The last year I can make out is 1985. Where the approach meets the dock. The entry point for the painting shed on the top floor. Cars would have a few feet in between them before they entered. Separate sheds would prime and add color. Chutes from a hundred machines interconnect to more machines and chutes on a dozen factory floors. These steam powered pumps were integral to the cooling of the meat packing plant next door. Little has changed inside the mill, but since it was built in 1916, many tanks and ancillary buildings have popped up around it. Twin tracks exit a concrete wall below St. Anthony (Cathedral) Hill. This is the crane that would be used to lower extra-heavy bits of copper ore into the fire of the furnace.