1. U.S. Forest Service Southern Research Station Center for Bottomland Hardwoods Research Frankfort KY U.S.A.
2. Kentucky Division of Water Frankfort KY U.S.A.
3. Department of Forestry and Natural Resources University of Kentucky Lexington KY U.S.A.
4. Kentucky Department of Fish and Wildlife Resources Center for Mollusk Conservation Frankfort KY U.S.A.