posted 8 years ago
A 2016 re-issue of a solid document on tree diseases, targeted at the Great Plains region, but as a freebie may be useful for those outside that area as well (!!Note!! a 17 Mb download):
http://www.fs.fed.us/rm/pubs/rmrs_gtr335.pdf
“The most important decision we make is whether we believe we live in a friendly or hostile universe.”― Albert Einstein
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