Mode of access: Internet from the USGS web site. Address as of 05/28/08: http://pubs.usgs.gov/fs/2005/3104/pdf/FS-2005-3104.pdf ; current access is available via PURL.
Note
Title from PDF title screen (viewed on Dec. 13, 2005).
At head of title: prepared in cooperation with the National Oceanic and Atmospheric Administration.