TY  - BOOK
AU  - Walker,Bryce S.
ED  - Time-Life Books.
TI  - The Great Divide,
T2  - The American wilderness
AV  - QH104.5.R6 W34
PY  - 1973///]
CY  - New York
PB  - Time-Life Books
KW  - Natural history
KW  - Rocky Mountains
N1  - Bibliography: p. 180
ER  -