Description
Item Description:Title from title screen (viewed July 27, 2009).
"February 2002."
Electronic resource.
Physical Description:1 volume : digital, HTM file.
Format:Mode of access: Internet from the NPS web site. Address as of 07/27/09: http://www.nps.gov/archive/cowp/adhi/adhi.htm ; current access is available via PURL.
Bibliography:Includes bibliographical references.