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Scientific American, Vol. 36, No. 21 (1877) (1877)
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ania and Newark and New York railroads are thus con- emerging. The line through the new tunnel will be straight has been in arching and enlarging the roof of the tunnel for ducted through; but further to the north the elevation no from the Hoboken terminus to the Hackensack river, gain- the same.… … © 1877 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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