2024-10-112024-10-11https://hdl.handle.net/11299/266107Shaft #7US Steel Corporation / Ralph Marsden Iron Ore CollectionCountry = USAState = MichiganCounty = MarquetteLocality = IshpemingUniversity of Minnesota DuluthBox # = 21Storage Box # = 9US Steel Corporation / Ralph Marsden Iron Ore Collection - Sample #508-AImage