Search Results 2 items were found.

LC Subject Heading: Manganese

  1. Item 6130
    Processing Maine ore, New Jersey, ca. 1954
    Processing Maine ore, New Jersey, ca. 1954
    Contributed by: Maine Historical Society
    Date: 1954
    Media: Photographic print
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  2. Item 6131
    Chemist extracting manganese, New Jersey, 1954
    Chemist extracting manganese, New Jersey, 1954
    Contributed by: Maine Historical Society
    Date: 1954
    Media: Photographic print
    Buy