Well thanks guys, that means a lot. I find it fascinating that I can turn a perfectly good keokuk chunk (that knapps easily) to gravel and get nothing, and turn around and make a blade, rough though it was, out of that tough stuff? I guess you just never know.
![Huh ???](http://www.primitivearcher.com/smf/Smileys/default/huh.gif)
George