TY  - BOOK
AU  - Raymond,Charles W.
TI  - Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. Paper No. 1150
AV  - TA 
PY  - 2006///
PB  - Project Gutenberg
KW  - Civil engineering -- Periodicals
KW  - Railroad tunnels -- Design and construction
N1  - Project Gutenberg; Freely available; Electronic text
UR  - http://www.gutenberg.org/etext/18229
UR  - http://www.gutenberg.org/license
ER  -