Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 / The New York Tunnel Extension of the Pennsylvania Railroad. / The East River Tunnels. Paper No. 1159

by James H. Brace; Francis Mason; S. H. Woodard

AMERICAN SOCIETY OF CIVIL ENGINEERS

INSTITUTED 1852

---

TRANSACTIONS

---

Paper No. 1159

THE NEW YORK TUNNEL EXTENSION OF THE PENNSYLVANIA RAILROAD.

THE EAST RIVER TUNNELS.[A]

By James H. Brace, Francis Mason, and S. H. Woodard, Members, Am. Soc. C. E.