Rebar Fall Guards A look straight down into the chutes were taconite pellets would dump into the dock hoppers. Rebar was a safety measure to keep workers from being buried alive, were they to slip into the holes. Similar Images ...based on the tags: black&white, grates, heights, rebar, squares, steel, tracks... Rain and snow has gutted a third of the building. From the ground floor, I could see the sky in some places. Ryan, as seen from the crane ladder. A burned and rusted control panel in the corner of the new hoist room. This tunnel goes to the adit over the Eagle River Mills. I bet those carts go fast down here! Looking at the rear of the mill, through dead vines and barbed wire. Blast Furnace 7 as seen from the ore yard. Imagine running up those stairs through blast furnace smoke. On the ground floor of the main factory there seems to be only one chair left. At an abandoned mine railroad. The superstructure for the sea-leg skyways serves no purpose now… the offices are bricked up, too. Why?