Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910, Start/End Papers / The New York Tunnel Extension of the Pennsylvania Railroad

by Various

TRANSACTIONS
OF THE
AMERICAN SOCIETY
OF
CIVIL ENGINEERS

(INSTITUTED 1852)

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VOL. LXVIII

SEPTEMBER, 1910

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Edited by the Secretary, under the direction of the Committee on Publications. Reprints from this publication, which is copyrighted, may be made on condition that the full title of Paper, name of Author, and page reference are given.

NEW YORK

PUBLISHED BY THE SOCIETY