TY  - BOOK
TI  - Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910, Start/End Papers: The New York Tunnel Extension of the Pennsylvania Railroad
PY  - 2013///
PB  - Project Gutenberg
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/43055
ER  -