[American Society of Civil Engineers 10th Multidisciplinary Conference on Sinkholes and the Engineering and Environmental Impacts of Karst - San Antonio, Texas, United States (September 24-28, 2005)] Sinkholes and the Engineering and Environmental Impacts of Karst - round-Water Basin Catchment Delineation by Dye Tracing, Water Table Mapping, Cave Mapping, and Geophysical Techniques: Bowling Green, Kentucky