Massena
village and town (township), St. Lawrence county, northern New York, U.S., 76 miles (122 km) southwest of Montreal, Canada. It is the location of the headquarters of the St. Lawrence Seaway Development Corporation, which operates and maintains the U.S. part of the seaway between Lake Erie and Montreal, and the site of the St. Lawrence-Franklin D. Roosevelt Power Project. The village is surrounded by the town with a small section overlapping into Louisville town.
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