Jessie B. boat (IMAGE) The University of Montana Caption University of Montana researchers use the Jessie B. to study the renowned waters of Montana’s Flathead Lake. Credit Flathead Lake Biological Station Usage Restrictions No restrictions. License Public Domain 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.