This study was published by the University of Minnesota Department of Forest Resources.
2 copies now available for loan at the Forestry Library:
Quarto GV191.42.M6 S35 2009
Gov Pub (State Docs) MN 4560 SS-203
A news release about this study from UMNews can be found at http://www1.umn.edu/news/news-releases/2009/UR_CONTENT_132718.html
You may also download the PDF version here:
http://www.forestry.umn.edu/publications/staffpapers/Staffpaper203.pdf

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