Contract No. 66, Regulating Dams, Middle Branch (New Salem), and East Branch of the Swift River, Hardwick and Petersham (formerly Dana), looking back from Sta. 24+25, middle branch regulating dams, Hardwick, Mass., Sep. 12, 1939

Contract No. 66, Regulating Dams, Middle Branch (New Salem), and East Branch of the Swift River, Hardwick and Petersham (formerly Dana), looking back from Sta. 24+25, middle branch regulating dams, Hardwick, Mass., Sep. 12, 1939

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