New Sonar System (IMAGE) University of Nevada, Reno Caption Graham Kent, University of Nevada, Reno's seismological lab director and professor of geological sciences and engineering leads a team of researchers in mapping the bottom of Fallen Leaf Lake with new high-definition multi-beam sonar system in on-going research in the Lake Tahoe basin. Credit Photo by Jean Dixon, University of Nevada, Reno. 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.