Author

Charles M. Jacobs

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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 North River Division. Paper No. 1151

Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad, The North River Division. Paper No. 1151

Charles M. Jacobs