In a 2018 photo, an overview of the deep 250-foot quarry area at Swenson Granite. It is time-consuming and expensive to move things and people into and out of a 250-foot hole. The difficulty isn’t ...
Almost two years after being purchased by a Quebec firm, Concord’s iconic Swenson Granite Quarry has expanded operations slightly on Rattlesnake Hill, even as it starts reconfiguring its approach to ...
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