U Arizonskom Nacionalnom Parku Okamenjenih Šuma, 200 milijuna godina stara fosilna stabla pojavljuju se uslijed erozije zemlje oko njih. Svjedoci su to drevnnih poplava koje su ih silovito iščupale i zatrpale.
In Arizona's Petrified Forest National Park, 200 million year old fossilized trees are reappearing as the ground erodes around them, evidence of the ancient floods that violently uprooted and buried them.