"...Saltville has been known for its Ice Age fossils since Thomas Jefferson reported large bones from the valley in 1782, and excavations have occurred there on a sporadic basis ever since. ETSU became involved when Dr. Steven Wallace, associate professor of Geosciences, led digs at the site in 2003 and 2004. Schubert took over the Saltville project after joining the ETSU faculty in 2006 and has been taking a group of students there for the past three years...." via TriCities.com