Yellowstone Interpretive Series
Number 7
Revised Edition
Illustrated
1960

Published By
The Yellowstone Library and Museum Association
Yellowstone Park, Wyoming

Copyright, 1949
By The Caxton Printers, Ltd.
Caldwell, Idaho

Copyright, 1956
By The Yellowstone Library and
Museum Association
Yellowstone Park, Wyoming

Copyright, 1960
By The Yellowstone Library and
Museum Association

Printed and bound in the United States of America
by the WHEELWRIGHT LITHOGRAPHING COMPANY,
Salt Lake City, Utah

To

The men in the National Park Service Uniform, protectors and interpreters of Yellowstone. Indeed, to all National Park Service personnel and others who subscribe to the purposes for which the area was reserved.

This book is published by the Yellowstone Library and Museum Association, a non-profit organization whose purpose is the stimulation of interest in and the furtherance of the educational and inspirational aspects of Yellowstone’s history and natural history. The Association cooperates with and is recognized by the National Park Service of the United States Department of the Interior, as an essential operating organization. It is primarily sponsored and operated by the Naturalist Division in Yellowstone National Park.