Verlag: Glacier Natural History Association, (Montana, 1986
ISBN 10: 0916792048 ISBN 13: 9780916792046
Anbieter: Between the Covers-Rare Books, Inc. ABAA, Gloucester City, NJ, USA
Softcover. Zustand: Fine. Revised edition. Stapled wrappers. 44pp. Illustrations by the author. Fine. Tracks of 55 animals illustrated.