Far West Texas rock art by archaic Native American artists copied in water color by Forrest Kirkland for the Texas Archaeological Research Laboratory at the University of Texas. More from a beautiful, copyrighted Web site depicting Texas rock art from the Lower Pecos region of West Texas.
THE TEXAS SCRIBBLER 
Sometimes I wonder whether all these rock art places were to teach kids to draw. All this is too similar to my drawing ability 😉
They do tend to look alike, as if the same artists traveled around doing them.