This is but one section of the large complex best remembered as Dundee Mills, which began operations in Griffin in the 1880s and was still in business into the present century.
Vanishing Georgia: Photographs by Brian Brown
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Vanishing Georgia: Photographs by Brian Brown 
This is a great picture of the old Thomaston Mill in Griffin, GA. It was not part of Dundee Mills.
Thanks, David. I will update this.