TY  - BOOK
AU  - Jacobs,Charles M.
TI  - Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910: The New York Tunnel Extension of the Pennsylvania Railroad, The North River Division. Paper No. 1151
AV  - TA 
PY  - 2006///
PB  - Project Gutenberg
KW  - Civil engineering -- Periodicals
KW  - Railroad tunnels -- Design and construction
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/18548
ER  -