Description
Item Description:Cover title.
"July 2003."
Physical Description:61 pages : illustrations (some color), color map ; 28 cm.
Mode of access: Internet from the USDA web site. Address as of 12/9/03: http://www.fs.fed.us/pnw/pubs/gtr585.pdf; current access is available via PURL.
Bibliography:Includes bibliographical references (pages 54-60).