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 The Walking Question Mark: Newsletter of the Grand River Heritage Mines Society, Jun 2000     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 an article on the …

 The Walking Question Mark: Newsletter of the Grand River Heritage Mines Society, Aug 2003     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: an article on Mount …

 The Walking Question Mark: Newsletter of the Grand River Heritage Mines Society, Mar 2000     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 an article on the …

 The Walking Question Mark: Newsletter of the Grand River Heritage Mines Society, Jan 2003     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: field trip reports by …

 The Walking Question Mark: Newsletter of the Grand River Heritage Mines Society, Aug 2001     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: an article on gypsum …

 The Walking Question Mark: Newsletter of the Grand River Heritage Mines Society, Apr 2004     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 a …

 The Walking Question Mark: Newsletter of the Grand River Heritage Mines Society, Aug 2004     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: an article on prehistoric …