Contract No. 49, Excavating Diversion Channels, Site of Quabbin Reservoir, Dana, Hardwick, Greenwich, looking up channel at dragline from Sta. 47+00, middle-east channel, Hardwick, Mass., Dec. 19, 1935

Contract No. 49, Excavating Diversion Channels, Site of Quabbin Reservoir, Dana, Hardwick, Greenwich, looking up channel at dragline from Sta. 47+00, middle-east channel, Hardwick, Mass., Dec. 19, 1935

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