This guide was published for your use by The Yellowstone Association for Natural Science, History & Education, Inc. in cooperation with the National Park Service, U.S. Department of the Interior.
The Yellowstone Association is a non-profit organization dedicated to service to the park and its visitors. Your donation will be used for this purpose.
For information about other pamphlets, books, and maps pertaining to Yellowstone National Park or Association membership and educational activities, write to P.O. Box 117, Yellowstone National Park, Wyoming 82190.
printed on recycled paper
Transcriber’s Notes
- Silently corrected a few typos.
- Retained publication information from the printed edition: this eBook is public-domain in the country of publication.
- In the text versions only, text in italics is delimited by _underscores_.