Title from title screen (viewed on Apr. 27, 2005). "March 1980."
Bibliography Note:
Includes bibliographical references.
Technical Details:
Mode of access: Internet from the SRS web site. Address as of 4/27/05: http://www.srs.fs.usda.gov/pubs/gtr/gtr%5Fse017.pdf; current access is available via PURL.