- Charles Prelini
- H. G. Durnford
- Robert M. Vogel
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Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The Bergen Hill Tunnels. Paper No. 1154
F. LavisRead For Free -

Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. Paper No. 1150
Charles W. RaymondRead For Free




