TY  - SER
AU  -  Powell, John Wesley, 
TI  -  Canyons of the Colorado 
AV  - F786 
PY  - 2005///
PB  -  Project Gutenberg, 
KW  -  Grand Canyon (Ariz.)
KW  -  Colorado River (Colo.-Mexico)
KW  -  United States -- Discovery and exploration
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/8082
ER  -