TY  - BOOK
AU  - Zwinger, Ann
AU  - Collier, Michael.
AU  - Title.
TI  - Grand Canyon
SN  - 816524327
AV  - 917.9 
CY  - USA
KW  - Grand Canyon (Ariz.) --
KW  - Natural history -- Arizona --
KW  - Description and travel
KW  - Grand Canyon
KW  - Pictorial works
N1  - Includes bibliographic reference
ER  -