Tags: infrastructure, cliffs, mining, taconite, iron, plant, shore, lake, superior, silver
Tags: infrastructure, taconite, harbor, energy, center, shore, lake, superior, schroeder
Tags: infrastructure, cliffs, mining, taconite, iron, loading, facility, silver, minnesota
Tags: abandoned, coal, unloading, crane, taconite, harbor, minnesota
Tags: abandoned, taconite, dock, lake, superior, ashland, wisconsin