Holmfield, MB- Harrison Mill 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. Related Similar Images ...based on the tags: 120-film, clouds, fences, film, ghost-signs, grass, power, signs, stonework, tunnels... A natural stone floor in Brewery Creek’s upper path has been worn smooth. The vines are thick across the asylum. A polaroid (FP100c, actually) of the newer grain car dumper. The UP gets a lot of snow, making exploring its old mines a special challenge in the winter. The snow is more than 6 feet deep in this picture, and firm enough to walk on. As my friend Jonathan would say, “on a human scale.” The purpose of the concentrator was to separate the gold and silver-rich ore from the waste rock. You can tell from the design that the process relies heavily on gravity. The tallest dock structure is an equipment elevator that connects the many dock levels. Reflections of graffiti during spring melt. Laundry chute to the basement, as seen on the top floor.