. Hudson & Manhattan tunnels : uniting New York and New Jersey in picture and story. . Caison. where it is raised to the surface to be finally disposed This is how the shield looks as it breaks through into an approach. It was here tbat conjunction was made with the old, long-abandoned attempt at tunneling.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjecttunnels, bookyear1908