TY  - SER
AU  -  Yard, Robert Sterling, 
TI  -  The Book of the National Parks 
AV  - E151 
PY  - 2008///
PB  -  Project Gutenberg, 
KW  -  National parks and reserves -- United States
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/27513
ER  -