TY  - SER
AU  -  Vogel, Robert M.
TI  -  Tunnel Engineering : :  A Museum Treatment 
AV  - TA 
PY  - 2012///
PB  -  Project Gutenberg, 
KW  -  Tunneling -- History
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/39785
ER  -