Yellowstone's Northern Range (IMAGE) University of Chicago Caption A partial elk carcass sits on a hillside of the Northern Range, Yellowstone National Park. Miller's research at Yellowstone demonstrates how bone surveys can provide valuable historical ecological data to evaluate modern biodiversity in a broader context. Credit Joshua Miller Usage Restrictions News organizations may use this image in connection with reports about Joshua Miller's research. 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.