Mode of access: Internet from the USGS web site. Address as of 7/30/08: http://pubs.usgs.gov/fs/2005/3035/fs2005-3035.pdf ; current access available via PURL.
General Note:
Title from title screen (viewed on July 30, 2008). At head of title: DRI, Desert Research Institute. "Last updated August 2, 2005."