TY  - BOOK
AU  - Vieira,Linda
AU  - Canyon,Christopher
TI  - Grand Canyon: a trail through time 
SN  - 0802786251
AV  - F788 .V54 1997
U1  - 917.91/320453 
PY  - 1997///
CY  - New York
PB  - Walker and Co.
KW  - Trail riding
KW  - Arizona
KW  - Grand Canyon
KW  - Juvenile literature
KW  - National parks and reserves
KW  - sears
KW  - Grand Canyon (Ariz.)
KW  - Grand Canyon National Park (Ariz.)
N1  - Includes index; ALA Booklist; Horn Book; Publishers Weekly; 3; K-3
N2  - Describes the deep trench known as the Grand Canyon, found in the Grand Canyon National Park, and the activities of visitors to the park
ER  -