Description
Item Description:Cover title.
"September 2002."
Physical Description:31 pages ; 28 cm
Available via Internet from the USDA/FS web site. Address as of 12/16/02: http://www.fs.fed.us/pnw/pubs/gtr556.pdf; current access is available via PURL.
Bibliography:Includes bibliographical references (pages 29-31).