Contract No. 30, Stream Control Works at Main Dam, Swift River Reservoir, Belchertown, Enfield, Ware, progress panorama, outlet channel, looking southeast, diversion tunnel, Belchertown, Mass., Sep. 11, 1931

Contract No. 30, Stream Control Works at Main Dam, Swift River Reservoir, Belchertown, Enfield, Ware, progress panorama, outlet channel, looking southeast, diversion tunnel, Belchertown, Mass., Sep. 11, 1931

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