Definately Elm. Sounds like American (White) elm to me. I don't know if this is also called "Slippery" Elm too, or if that is something diferent than this. But whatever it's called, I have made 2 bows from it myself, and yes it makes very good bows, especially good for short bows (under 56"). If you dry it out good it won't take a lot of set and is not prone to checking at all, good resistance to breakage.