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| A Conrail C40-8W locomotive heads a westbound Guilford freight along the banks of the Merrimack River at North Chelmsford, MA, on a cold January day in 1994 |
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| A Conrail C40-8W locomotive heads a westbound Guilford freight along the banks of the Merrimack River at North Chelmsford, MA, on a cold January day in 1994 |