TY  - BOOK
AU  - Walker,Bryce S.
AU  - Loomis,Harvey B.
TI  - The great divide: the American wilderness 
AV  - QH104.5 W35 
PY  - 1973///
CY  - Canada
PB  - [Publisher not identified]
KW  - Natural history
KW  - Rocky Mountains
N1  - Includes bibliographical references and index
ER  -