Steve that is very interesting, I have read that the Comanche's here in Texas made a spoon like that,but I have never actually seen one,that is very interesting. Maybe Frank will show up and shed some more light on the subject he is further S/W than I am he is in Comanche country.
Heck this is better then Christmas.......It looks like it could fit the bill....If it had battering damage on the Distal edge,I would say heavy duty digger...Another steller artifact my friend