Pieces of granite to be turned into crushed stone are seen at Swenson Granite Works in Concord on Tuesday, Sept. 20, 2016. The 133-year-old family-owned company has been sold to Polycor, a Quebec ...

Polycor, the Quebec firm that manages Swenson Granite, said the stoppage was made for “changes to the quarry footprint and are ultimately designed to bring the cost of quarrying dimension stone ...