I'm beginning to develop a love/hate relationship to the sound of a wood chipper. The only love comes from the fact that I can hear one from a mile away and when I do I know there is a chance of finding a tree service doing work and thus perhaps a score to be made. However, the hate is greater. This morning I chased the sound down to a tree service cleaning up after taking out what appeared to be a healthy oak. they were happily tossing in 10-12" rounds as I pulled up. ARG! The good news is I was able to rescue a bit of wood to be properly disposed of (perhaps 1/3 of my truck bed) but I can only guess how much was wasted before I got there. Whoever invented chippers that can eat up 12" plus diameter healthy oak doesn't get my vote for nice guy of the year. Humph. I did give them my number and ask that they let me know next time they are in the area... have yet to get a call from doing this, but perhaps some day it will pay off.