Article on evaluating tree anchors

[myfingersaresore]

http://blog.alpineinstitute.com/2015/12/tree-ratings-in-kn.html

The article as originally published shows a table with circumferences and words with diameters. The writer has been notified...

[dougr]

What was the old rule of thumb about trees? 5" diameter minimum, 4" if you had to. Based on the table, those are good mins across a lot of species. NW species anyway.