Civil war site find

[GameOfTones]

Hunting a site this morning that was a part of Chickamauga.
Found an unusual iron piece that at first glance had a sword shape appearance. But it is thick and heavy. One side is flat while the other side is convex.
My foot in the pic for reference.
Any ideas?

 

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[ThatDixieGuy]

I'm pretty sure that's a plow tooth