I have never cut cottonwood logs before, I have collected bark from live trees (that's a workout) but never cut up any logs. I had an opportunity to cut up a few logs that I ended up with so I thought what the heck lets give it a run. The lumber cut up perfectly nice wide boards with few if any knots. I did notice a funny smell however something I would compare to a hog lot not as strong but still noticeable. I did some research and it is apparently common with cottonwood but goes away as the wood dries out. It certainly did not smell like butternut and unfortunately the bark was pretty thin to boot!