Author

Alfred Noble

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

Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The East River Division. Paper No. 1152

Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The East River Division. Paper No. 1152

Alfred Noble