Contract No. 20, Coldbrook-Swift Tunnel, Barre, Hardwick, Greenwich, intake portal at Shaft 12, Coldbrook-Swift Tunnel, Hardwick, Mass., May 21, 1932

Contract No. 20, Coldbrook-Swift Tunnel, Barre, Hardwick, Greenwich, intake portal at Shaft 12, Coldbrook-Swift Tunnel, Hardwick, Mass., May 21, 1932

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