Please read BHL's Acknowledgment of Harmful Content
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  1. By: Kemp, James Furman,
    Publication info: New York : Scientific Publishing, 1893.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Canada  Ore deposits  Ores  United States  
  2. By: Butler, B. S. (Bert Sylvenus), - Loughlin, G. F. (Gerald Francis), - Heikes, V. C. (Victor Conrad),
    Publication info: Washington : Govt. Print. Off., 1920.
    Holding Institution: Harold B. Lee Library (archive.org)
    Subjects: Mines and mineral resources  Ore deposits  Utah