TY  - SER
AU  -  Bass, William Wallace, 
TI  -  Adventures in the Canyons of the Colorado, by Two of Its Earliest Explorers 
AV  - F786 
PY  - 2011///
PB  -  Project Gutenberg, 
KW  -  Colorado River (Colo.-Mexico)
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/35268
ER  -