referencedIn |
University of Minnesota. Mines Experiment Station. Mines Experiment Station records, 1912-1976.
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University of Minnesota, Minneapolis |
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referencedIn |
Mines Experiment Station records, 1912-1976
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University of Minnesota Libraries. University Archives [uarc] |
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referencedIn |
Charles Sumner Heidel papers, 1908-1968
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Montana Historical Society Research Center Archives |
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referencedIn |
Minnesota Tax Commission (1907-1939). Iron ore estimates: School of mines correspondence, 1909-1952.
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Minnesota Historical Society, Division of Archives and Manuscripts |
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referencedIn |
School of Mines and Metallurgy papers, 1891-1946
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University of Minnesota Libraries. University Archives [uarc] |
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referencedIn |
Comptroller records, 1877-1970
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University of Minnesota Libraries. University Archives [uarc] |
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creatorOf |
Minnesota Tax Commission (1907-1939). Ore estimates for Minnesota iron mines, 1909-1941.
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Minnesota Historical Society, Division of Archives and Manuscripts |
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referencedIn |
Heidel, Charles Sumner. Charles Sumner Heidel papers, 1908-1968.
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Montana Historical Society Library |
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