TY  - BOOK
AU  - Robert Wallace
AU  - the editors of time-life books
TI  - The Grand canyon
T2  - American wilderness
U1  - 917.91321 W193g 
PY  - 1972///
CY  - Canada
PB  - Library of Congress catalogue
KW  -  Grand Canyon (Ariz.)
KW  -  Arizona -- Description and travel.
KW  - Grand Canyon
N2  - the contents:	Wilderness of stone --
The drama of a single day --
Two rims, two worlds --
The North-side forest --
The hammer and the blade --
Forces that made the canyon grand --
The climb down --
The spirits of the chasm --
People of the blue-green water --
Exploring the "fretful river" --
The challenge of white water --
Riding the rapids --
The grandeur of rock and river
ER  -