The Westerly Granite Industry


Babcock-Smith House Museum
124 Granite Street
Westerly, RI   02891
401-596-5704
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Tunneling at the Sullivan Granite Company

 

The fine quality granite was located 150 ft below the surface. Rather than remove the overburden, the dirt and poor quality stone, Sullivan chose to follow the vein of granite . The result was a quarry with a deep undercut or tunnel. This saved a significant expense. An unanticipated benefit was that quarrying could continue through the winter.

 

 

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