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In page Hoosac Tunnel:
"The final chief engineer was Bernard N. Farren, who took over on November 19, 1874, and on Thanksgiving Day that year, the last 16 feet of rock was removed beneath the town of North Adams. Farren completed the work, including enlarging sections of the tunnel, reinforcing weak areas with arching, completing drainage systems and completing the east tunnel facade. The first train passed through the tunnel on February 9, 1875.[2]
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