TY  - SER
AU  -  Piper, John J., 
TI  -  Facts and Figures Concerning the Hoosac Tunnel 
AV  - TA 
PY  - 2012///
PB  -  Project Gutenberg, 
KW  -  Railroads -- Massachusetts
KW  -  Tunnels -- Massachusetts
KW  -  Hoosac Tunnel (Mass.)
KW  -  Railroad tunnels -- Massachusetts
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/40709
ER  -