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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Clements, J. Morgan (Julius Morgan), - Smyth, Henry Lloyd, - Bayley, William Shirley,
    Publication info: Washington, Govt. Print. Off, 1899
    Holding Institution: University of Connecticut Libraries
    Subjects: Archaean  Crystal Falls District  Geology  Geology, Stratigraphic  Iron ores  Michigan  Proterozoic