Biological Soil Crust Research (IMAGE) University of Colorado at Boulder Caption A new project led by CU-Boulder is targeting the restoration of biological soil crusts at two US Department of Defense installations in the West where soils have been damaged by past military activity. Credit Photo courtesy Sarah Castle Usage Restrictions None 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.