Jonny was here http://fatmomtube.in.net fatmomtube com  Petroglyphs near Long Lake in central Oregonﾃ｢ﾂ�ﾂ背hich were previously thought to be the oldest examples of rock art in North Americaﾃ｢ﾂ�ﾂ敗hare similar features with some of the rock art the Winnemucca site, said Benson.ﾃつ� At least one of the petroglyph panels from Long Lake was buried by ash from an eruption of the nearby Mount Mazama volcano roughly 6,700 years ago, proof that it was carved sometime before the eruption.