2024-10-112024-10-11https://hdl.handle.net/11299/266227US Steel Corporation / Ralph Marsden Iron Ore CollectionCountry = USAState = MichiganCounty = MarquetteLocality = Marquette RangeMine = Spur MineUniversity of Minnesota DuluthBox # = 45Storage Box # = 3US Steel Corporation / Ralph Marsden Iron Ore Collection - Sample #117Image