GOLD IN MICHIGAN N
unpublished manuscript (report to Norgan Gold Mining Co.), GEOLOGY OF THE ISHPEMING GOLD RANGE, Mich Geological Survey, Open-File Report, (Prepared in cooperation with Michigan College of Mining and Technology, Marquette County). Dorr, J. A. and D. F. Eschman, 1970, GEOLOGY OF MICHIGAN, University of Michigan Press, Ann Arbor, Michigan.
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