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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  
  2. By: Van Hise, Charles Richard, - Leith, C. K. (Charles Kenneth), - Martin, Lawrence,
    Publication info: Washington, Govt. print. off, 1911
    Holding Institution: University of Connecticut Libraries
    Subjects: Geology  Iron ores  Superior, Lake  
  3. By: Van Hise, Charles Richard, - Bayley, William Shirley, - Smyth, Henry Lloyd,
    Publication info: Washington, Gov't. print. off, 1897
    Holding Institution: University of Connecticut Libraries
    Subjects: Geology  Iron ores  Michigan  
  4. By: Bayley, William Shirley,
    Publication info: Washington, Gov't. Print. Off, 1904
    Holding Institution: University of Connecticut Libraries
    Subjects: Geology  Geology, Stratigraphic  Iron ores  Menominee district  Michigan  Proterozoic  
  5. By: Leith, C. K. (Charles Kenneth),
    Publication info: Washington, Govt. Print. Off, 1903
    Holding Institution: University of Connecticut Libraries
    Subjects: Iron mines and mining  Iron ores  Minnesota  
  6. By: Irving, Roland Duer, - Van Hise, Charles Richard,
    Publication info: Washington, D. C, U.S. Govt. Print. Off, 1892
    Holding Institution: University of Connecticut Libraries
    Subjects: Geology  Iron ores  Michigan  Wisconsin  
  7. By: Clements, J. Morgan (Julius Morgan),
    Publication info: Washington, Gov't Print. Off, 1903
    Holding Institution: University of Connecticut Libraries
    Subjects: Geology  Iron ores  Minnesota  Vermilion district