Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910

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Two other papers from ASCE _Transactions_ LXVIII (September 1910) are referenced in this paper:

No. 1150, "The New York Tunnel Extension..." by Charles W. Raymond, available from Project Gutenberg as e-text #18229.

No. 1151, "The North River Division" by Charles M. Jacobs, e-text #18548, generally cite...