Contract No. 60, Access Roads to Shaft 12, Quabbin Aqueduct, Hardwick and Greenwich, spotting top stone, looking back from Sta. 109+70, Greenwich and Hardwick, Mass., Jul. 7, 1938

Contract No. 60, Access Roads to Shaft 12, Quabbin Aqueduct, Hardwick and Greenwich, spotting top stone, looking back from Sta. 109+70, Greenwich and Hardwick, Mass., Jul. 7, 1938

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