Probably just a rock. It's not flaked to do anything. This might be something they started on to make a knife or spoke shave and discarded.
Thanks everyone, i appreciate all the comments. They will give me a reason to keep on hunting, and i can actually say i found these myself!
Well.. it definitely is worked.. I doubt it was worked for no reason..it looks like it would work as a spokeshave..that's what I would call it.
Here are two of mine.
View attachment 789228
I'll clarify. It appears to be some work, but not worked to completion. It could be a quick tool knocked off in the field for the task at hand then discarded.