The geology and magnetite deposits of northern St. Louis County, Minnesota / by Frank F. Grout.

By: Material type: TextTextSeries: Bulletin (Minnesota Geological Survey) ; no. 21.Publication details: Minneapolis : University of Minnesota, 1926.Description: x, 220 p., 12 leaves of plates : ill. ; 23 cmSubject(s): LOC classification:
  • QE127 .A22 no. 21
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Includes bibliographical references.

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