"An Iron Hand in a Velvet Glove: Thomas J. Grier's Management of the Homestake Mine, 1885-1914
https://www.sdhspress.com/journal/south-dakota-history-38-2/an-iron-hand-in-a-velvet-glove-thomas-j-griers-management-of-the-homestake-mine-1885-1914
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"An Iron Hand in a Velvet Glove: Thomas J. Grier's Management of the Homestake Mine, 1885-1914
by Susan L. Richards and Rex C. Myers
