Description

Publication Notes

• Check the Northern Research Station web site to request a printed copy of this publication.
• Our on-line publications are scanned and captured using Adobe Acrobat.
• During the capture process some typographical errors may occur.
• Please contact Sharon Hobrla, shobrla@fs.fed.us if you notice any errors which make this publication unusable.
• We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
• This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

Citation