At two sites in Mono County, California, two thinning treatments were compared: machine mastication versus cut/pile/burn by hand crews using chain saws.
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Matchett, J., M. Brooks, A. Halford, D. Johnson, H. Smith. 2010. Evaluating the Effects of Pinyon Thinning Treatments at a Wildland Urban Interface. USGS Administrative Report. El Portal, CA, 28 pp. (Project Homepage: http://www.werc.usgs.gov/pinyonthinning)