The Smithsonian Guides to Natural America: The Northern Rockies: Idaho, Montana, Wyoming
by By Schmidt, Jeremy and Wolfe, Art
Category: Travel , United States , Midwest , West North Central (IA, KS, MN, MO, ND, NE, SD)

Covers the national parks, wilderness preserves, and public and private sanctuaries of the Northern Rockies, providing full-color maps, clear directions, addresses and phone numbers, and traveling advice. Original. 35,000 first printing.