The Sierra Club guide to the natural areas of Idaho, Montana, and Wyoming
By: John Perry and Jane Greverus Perry.
Contributors: Perry, Jane Greverus.; Sierra Club.
Publisher: Sierra Club Books
Published: 1988
Place of publication: San Francisco
Language: eng
Number of pages: 435
Subjects: Natural areas -- Idaho -- Guidebooks.; Natural areas -- Montana -- Guidebooks.; Natural areas -- Wyoming -- Guidebooks.
Notes: Includes bibliographies and index.