Mark Mitchell Prepping Nodosaur (image) Cell Press Share Print E-Mail Caption This photograph shows technician Mark Mitchell prepping the Nodosaur. Credit Courtesy of the Royal Tyrrell Museum of Palaeontology, Drumheller, Canada. Usage Restrictions Credit Required. Share Print E-Mail 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.