1904 Sewer Lid 1904 Sewer Lid in Central Hillside. Similar Images ...based on the tags: circles, grass, leaves, manholes... Near the old slag dump there are the remains of the pouring buckets that received the molten steel from the US Steel blast furnaces, filled to the brim with pig iron. They must be incredibly heavy! The command building and a coolant tank. In the distance, rain and hail pound Wyoming dirt. A self portrait on a tire swing outside the Service Building. A set of air intakes and exhaust pipes over the buried communications and control equipment rooms. A wounded flour mill, muscled into the corner to keep out of the way. In the bottom of a creek, an antique children’s wheelchair is buried in grass, where someone threw it. Wooden leg braces suggest this dates to the 1950s. Perhaps this office was for a film studio or music producer. The Harrison flour mill, completed in 1897 and expanded in 1901 and 1902. The tunnel that I am standing on probably transported grain from the elevator to the mill. Medium Format. This was the exterior wall of the roundhouse; engines would have entered on the other side and machinery would line this side, hence the big windows for natural light.