Contract No. 84, Superstructure (Head House) , Shaft 4 of Southborough Tunnel, Pressure Aqueduct, Section 2, Southborough, looking southeasterly showing bronze doors at entrance to headhouse, headhouse at Shaft 4, Southborough, Mass., Jul. 18, 1941

Contract No. 84, Superstructure (Head House) , Shaft 4 of Southborough Tunnel, Pressure Aqueduct, Section 2, Southborough, looking southeasterly showing bronze doors at entrance to headhouse, headhouse at Shaft 4, Southborough, Mass., Jul. 18, 1941

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