2024-10-112024-10-11https://hdl.handle.net/11299/266379US Steel Corporation / Ralph Marsden Iron Ore CollectionCountry = USAState = WisconsinCounty = IronLocality = Gogebic RangeMine = Berkshire MineUniversity of Minnesota DuluthBox # = 49Storage Box # = 17US Steel Corporation / Ralph Marsden Iron Ore Collection - Sample #18Image