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Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The North River Tunnels. Paper No. 1155
W. L. BrownÜcretsiz Oku %20W. L. BrownTransactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The North River Tunnels. Paper No. 1155 Amerikan İnşaat Mühendisleri Derneği İşlemleri, Cilt LXVIII, Eylül 1910Pennsylvania Demiryolu'nun New York Tünel UzantısıKuzey Nehir Tünelleri. Makalenin Numarası 1155

