Excavation Work (IMAGE) Ohio University Caption Ohio University graduate student Tobin Hieronymus excavates part of the Mnyamawamtuka skeleton while scaling the cliff surface in 2007. Credit Patrick O'Connor 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.