1. Department of Applied Ecology; North Carolina State University; Raleigh North Carolina USA
2. Center for Mollusk Conservation; Kentucky Department of Fish and Wildlife Resources; Frankfort Kentucky USA
3. North Carolina Cooperative Fish and Wildlife Research Unit; US Geological Survey; Raleigh North Carolina USA
4. Ecological Services; US Fish and Wildlife Service; Raleigh North Carolina USA
5. Department of Marine; Earth and Atmospheric Sciences; North Carolina State University; Raleigh North Carolina USA
6. Frankfort Field Office; US Fish and Wildlife Service; Frankfort Kentucky USA