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#307 The Holland Tunnel: The Wonder of the Jazz Age

The Bowery Boys: New York City History

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The New York River Caisson

It was so large, in fact, that it was launched from staten island on december of 19 22 as though it were a ship. A little too young to have champagne, but could you please just refresh us on cason technology? How do those work? It is an air, pressurized chamber where workmen would employ boring shields, slowly burrowing into the river rock or mud.

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