Contract No. 51, East Branch Baffle, Site of Quabbin Reservoir, Greenwich, Hardwick, looking northwest from Sta. 19+80, east branch baffle, Hardwick, Mass., Dec. 4, 1936

Contract No. 51, East Branch Baffle, Site of Quabbin Reservoir, Greenwich, Hardwick, looking northwest from Sta. 19+80, east branch baffle, Hardwick, Mass., Dec. 4, 1936

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