" Rock Art of Kentucky is the first comprehensive documentation of the fragile remnants of Kentucky's prehistoric Native American rock art sites. Found in twenty-two of Kentucky's counties, these sites pan a period of more than three thousand years. The most frequent design elements in Kentucky rock art are engravings of the footprints of birds, quadrupeds, and humans. Other design elements include anthropomorphs, mammals, birds, reptiles, fish, and abstract and geometric figures. Included in th