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 The Walking Question Mark: Newsletter of the Grand River Heritage Mines Society, Mar 1997     The Grand River Heritage Mines Society was active from 1993 through 2005 with the goal of identifying and documenting all of the historic mines located within the Grand River valley. These newsletters document their activities, including archaeological digs and research into mine history. This issue includes a report on the …

 The Walking Question Mark: Newsletter of the Grand River Heritage Mines Society, Sep 1997     The Grand River Heritage Mines Society was active from 1993 through 2005 with the goal of identifying and documenting all of the historic mines located within the Grand River valley. These newsletters document their activities, including archaeological digs and research into mine history. This issue includes reports from the field …

 The Walking Question Mark: Newsletter of the Grand River Heritage Mines Society, Dec 1997     The Grand River Heritage Mines Society was active from 1993 through 2005 with the goal of identifying and documenting all of the historic mines located within the Grand River valley. These newsletters document their activities, including archaeological digs and research into mine history. This issue includes reports on summer activities, …

 The Walking Question Mark: Newsletter of the Grand River Heritage Mines Society, Jun 1997     The Grand River Heritage Mines Society was active from 1993 through 2005 with the goal of identifying and documenting all of the historic mines located within the Grand River valley. These newsletters document their activities, including archaeological digs and research into mine history. This issue includes a report on the …