Fire Scars in Old Growth Tree Stumps (image) University of Illinois at Urbana-Champaign Caption The researchers reconstructed the fire history of Hamilton County, Illinois, by examining fire scars and the growth rings of 36 old-growth trees. Credit L. Brian Stauffer Usage Restrictions Photo may be used only with stories about the research described in the news release. Please credit: Photo by L. Brian Stauffer. 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.