The Department of Biology, Geology and Environmental Sciences is housed in Holt Hall on the Chattanooga, Tennessee campus of the University of Tennessee. 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.  The department is formally affiliated with the Gulf Coast Research Laboratory in Ocean Springs, Mississippi, which provides facilities and equipment for studies in marine biology and oceanography and Highlands Biological Station in North Carolina which is a regional field station for biological research and education in the southern Appalachian Mountains.  The department has longstanding relationships with a variety of other institutions including the Tennessee Aquarium, Erlanger Hospital, the Tennessee Valley Authority, the Tennessee Department of Environment and Conservation, several agencies of the city of Chattanooga and Hamilton County, the Tennessee River Gorge Trust, Reflection Riding Arboretum and Nature Center and the North Chickamauga Creek Conservancy.