Description
Item Description:Caption title.
"February 1994."
Physical Description:16 pages : illustrations ; 29 cm.
Available via Internet from the National Park Service web site. Address as of 11/5/01: http://www.cr.nps.gov/aad/pubs/tch16pr.htm; current access is available via PURL.
Bibliography:Includes bibliographical references (pages 11-13).