Author

Hewett, Bertram Henry Majendie; Brown, W. L.

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Writes aboutRailroad tunnels -- Design and construction Civil engineering -- Periodicals

Cover of Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The North River Tunnels. Paper No. 1155

Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The North River Tunnels. Paper No. 1155