Spear Point

Following a recent post by afarensis, I began thinking of a spear point (click the pic for a larger view) that my dad found several years ago. As I commented to afarensis, the point was found on our farm. We have a nice collection from a few generations of farmers here, but this is one of the better ones. We are in the Mississippi River Valley, a few hours South of St. Louis, where there are many known Dalton sites in the area. It is in pretty good shape considering its size (about 4 inches) and how thin it is. You can see that the very tip is broken off. I will not pretend to know anymore about this subject than I do so I will just say that if I had to guess I would say it was a Dalton point, but again I know very little about this. Please feel free give your input