Title from title screen (viewed on Apr. 11, 2008). "July 2003."
Bibliography Note:
Includes bibliographical references (pages 33-37).
Technical Details:
Mode of access: Internet from the U.S. Forest Service web site. Address as of 04/11/08: http://www.fs.fed.us/pnw/pubs/gtr588.pdf; current access available via PURL.