Mammoth Polished Granite
This is a closeup of the polish on "The Main Rub". I think that this polish is from large land animals rubbing themselves on the rock. Since a lot of the polish extends about 15 feet up, its possible that some of this was caused by mammoths.
|Photo Location:||North_America: United_States: Oklahoma: Southwest: Area_51: The_Mammoth_Rubs|