Contract No. 51, East Branch Baffle, Site of Quabbin Reservoir, Greenwich, Hardwick, looking north from Sta. 6+20 at the south baffle, Hardwick, Mass., Jan. 5, 1937

Contract No. 51, East Branch Baffle, Site of Quabbin Reservoir, Greenwich, Hardwick, looking north from Sta. 6+20 at the south baffle, Hardwick, Mass., Jan. 5, 1937

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