tunnel 34

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Nay Aug Tunnel, Scranton, Pa.

1900

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Tunnel walk, Highland Park,...

1905

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Tunnel 5, Temasopa sic Cano...

1880

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Tunnel 4 from 5, Temasopa s...

1880

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Detroit River tunnel, Detro...

1910

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Bergen tunnel, N.J., east

1890

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Manunka Chunk, N.J., east e...

1890

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Pocono tunnel, D.L. & W. R.R.

1890

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Inside Tunnel 4, Temasopa C...

1880

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The Tunnel, River Drive, Fa...

1900

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Tunnel 4, Temasopa sic Canon

1880

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Swiss guarding tunnel

1910

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Tunnel 3, Temasopa sic Canon

1880

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N.Y. - N.J. Tunnel