Rock with symbol

[irbaddadjoe]

A friend of mine found this rock in a hot spot and picked it up for its shape. Then he noticed the symbol scratched in it. He had seen this same symbol scratched in a large rock in the same area in north central texas. Anyone seen this symbol before?

 

[allen]

cool finds !

 

[Kentucky Kache]

It looks like a bird.

 

[Tnmountains]

Why that is just the coolest rock. I wonder what it means? Thanks for showing that.

 

[GL]

Looks like a tee pee and an Indian to me.

 

[SoIll]

AA++