TY - BOOK AU - Petersen,David TI - Grand Canyon National Park T2 - A true book SN - 0516216643 U1 - 979.132 21 PY - 2001/// CY - New York PB - Children's Press KW - National parks and reserves KW - Grand Canyon National Park (Ariz.) KW - Juvenile literature N1 - American Corner; National parks and reserves; Includes bibliographical references (p.44-45) and index ER -