Contract No. 30, Stream Control Works at Main Dam, Swift River Reservoir, Belchertown, Enfield, Ware, progress panorama of downstream cofferdam, looking east, diversion tunnel, Belchertown, Mass., Sep. 11, 1931
Contract No. 30, Stream Control Works at Main Dam, Swift River Reservoir, Belchertown, Enfield, Ware, progress panorama of downstream cofferdam, looking east, diversion tunnel, Belchertown, Mass., Sep. 11, 1931
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Contract No. 30, Stream Control Works at Main Dam, Swift River Reservoir, Belchertown, Enfield, Ware, progress panorama of downstream cofferdam, looking east, diversion tunnel, Belchertown, Mass., Sep. 11, 1931