books.google.co.uk - Ancient petroglyphs and paintings on rocky cliffs and cave walls preserve the symbols and ideas of American Indian cultures. From scenes of human-to-animal transformations found in petroglyphs dating back thousands of years to contact-era depictions of eagle trapping, rock art provides a look at the...http://books.google.co.uk/books/about/Storied_stone.html?id=krWibqbAObcC&utm_source=gb-gplus-shareStoried stone
