Looking down on the Painted Hills, of the John Day Fossil Bed National Monument , in Central Oregon's high desert, it looked as though someone had tipped over the paint can. In reality the colored earth streaks are only pellets of Bentonite swollen to 'popcorn size' after the recent Spring rains

Looking down on the Painted Hills, of the John Day Fossil Bed National Monument , in Central Oregon's high desert, it looked as though someone had tipped over the paint can. In reality the colored earth streaks are only pellets of Bentonite swollen to 'popcorn size' after the recent Spring rains