Contract No. 51, East Branch Baffle, Site of Quabbin Reservoir, Greenwich, Hardwick, looking northwest from near Sta. 11, east branch baffle, Hardwick, Mass., Dec. 4, 1936

Contract No. 51, East Branch Baffle, Site of Quabbin Reservoir, Greenwich, Hardwick, looking northwest from near Sta. 11, east branch baffle, Hardwick, Mass., Dec. 4, 1936

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