Ventilation System (IMAGE) Penn State Caption Penn State researchers will study how to improve ventilation in large-opening mines with new funding from Center for Disease Control's Office of Mine Safety and Health Research (OMSHR). Credit Sekhar Bhattacharyya/Penn State Usage Restrictions non commercial use only 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.