Holt Hall, home of the Biology, Geology and Environmental Science disciplines on campus. In addition to classroom and office space, the department has research and teaching laboratories, a scanning electron microscope, a GIS computer laboratory, animal quarters, greenhouses, an aquatic field station on the Tennessee River, two field stations in the Tennessee River Gorge, a 200 acre forested research property that includes a wetland and classroom, three aquatic research vessels including the Serpentina (a new 26 foot custom river sampling boat), a new covered utility trailer, and three vehicles.