I was at a gathering of musicians up Fish creek near Missoula a couple years ago. My father and a couple brothers were there as well as our kids. We set up our tents in various places and then a wind storm came up. A big snag started making loud cracking sounds at its base so we were watching it carefully. Finally it started to fall right for my fathers tent which I was standing next to. It wasn't staked down so I grabbed it by a corner and ran out of the way. Note, always keep one eye on the falling tree when getting out from under it. It fell as predicted right across where my fathers tent had been The only casualty was his pillow. It was run through with a four inch diameter staub and pinned to the ground.