The National Park Handbook Series
National Park Handbooks, compact introductions to the great natural and historic places administered by the National Park Service, are designed to promote understanding and enjoyment of the parks. Each is intended to be informative reading and a useful guide before, during, and after a park visit. More than 100 titles are in print. This is Handbook 110. You may purchase the handbooks through the mail by writing to the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402.