Contract No. 30, Stream Control Works at Main Dam, Swift River Reservoir, Belchertown, Enfield, Ware, downstream cofferdam, east side of river, looking west, diversion tunnel, Belchertown, Mass., Oct. 9, 1931

Contract No. 30, Stream Control Works at Main Dam, Swift River Reservoir, Belchertown, Enfield, Ware, downstream cofferdam, east side of river, looking west, diversion tunnel, Belchertown, Mass., Oct. 9, 1931

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