Show Petrified Forests Petrified forests are found Cound all allover allover allover over the tho world Most of the trees were blown down by the wind or shaken down by an earthquake before before be be- fore forc being buried and fossilized Some however howe cr have been found standing with their roots in bed bed- rock In Yellowstone y National Park petrified trees rear gaunt limbless trunks 20 to 40 feet ii it the air One of ot the largest Is 26 feet leet ui In diameter At one place in the park a petrified forest is imposed upon another to the depth o of 2000 feet |