Student collecting samples (IMAGE) University of California - San Diego Caption Ph.D. student Mahta Movasat collects soil samples from terrain affected by the El Dorado Fire in San Bernardino County. Credit University of California San Diego Usage Restrictions Please credit University of California San Diego 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.