Smoke Plume (IMAGE) University of Colorado at Boulder Caption A towering cloud of smoke billows in the Willow Fire near Payson, Arizona on July 8, 2004. Credit Eric Neitzel/ Wikimedia Commons Usage Restrictions You must credit Eric Neitzel/Wikimedia Commons License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.