A field guide to animal tracks /
Animal tracks.
Olaus J. Murie.
- 2d ed.
- Boston : Houghton Mifflin, [1982], c1974.
- xxi, 375 p. : ill. ; 19 cm.
- The Peterson field guide series ; 9 .
Cover title: Animal tracks. "Sponsored by the National Audubon Society and the National Wildlife Federation."
Includes bibliographical references (p. 359-367) and index.